X-On Electronics has gained recognition as a prominent supplier of 640 Knobs & Dials across the USA, India, Europe, Australia, and various other global locations. 640 Knobs & Dials are a product manufactured by Mentor. We provide cost-effective solutions for Knobs & Dials, ensuring timely deliveries around the world.

640 Mentor

Name: 640
Brand: Mentor
SKU: 640_Mentor
Availability: InStock
Rating: 5 (11 reviews)

Images are for reference only
See Product Specifications

Part No.	640
Manufacturer:	Mentor
Category:	Knobs & Dials
Description:	Adapter; nickel plated steel; Shaft d:6mm; silver; Shaft: smooth
Datasheet:	640 Datasheet (PDF)
	Large This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges

Price (USD)

2: USD 1.1392 ea
Line Total: USD 2.28

Availability - 286
Ship by Wed. 25 Jun to Fri. 27 Jun

MOQ: 2 Multiples: 1
Pack Size: 1

640 More Buying Options & Price Grid(s)

Please wait...

Availability Price Buy Price Quantity

286

Ship by Wed. 25 Jun to Fri. 27 Jun

MOQ : 2
Multiples : 1

2 : USD 1.1392
10 : USD 0.5659
52 : USD 0.3851
142 : USD 0.3646

Specifications

Manufacturer

Mentor Mentor

Product Category

Knobs & Dials Knobs & Dials

Material

Nickel Plated Steel Nickel Plated Steel

Shaft Diameter

6 mm 6 mm

Colour

Silver Silver

Shaft Surface

Smooth Smooth

Type Of Accessories For Potentiometer

Adapter Adapter

Inside Hole Diameter

6 mm 6 mm

Notes:- Show Stocked Products With Similar Attributes.

640 Alternative Parts

Image Part-Description

Hot 640
Adafruit Accessories Stainless Conductive Thread Thin 76ft
Large

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Stock: 96

We are delighted to provide the 640 from our Knobs & Dials category, at competitive rates not only in the United States, Australia, and India, but also across Europe and beyond. A long established and extensive electronic component distribution network has enhanced our global reach and dependability, ensuring cost savings through prompt deliveries worldwide. Client satisfaction is at the heart of our business, where every component counts and every customer matters. Our technical service team is ready to assist you. From product selection to after-sales support, we strive to deliver a seamless and satisfying experience. Are you ready to experience the best in electronic component distribution? Contact X-ON Electronics today and discover why X-On are a preferred choice for the 640 and other electronic components in the Knobs & Dials category and beyond.

More Products By Manufacturer "Mentor"

Image Part-Description

Hot 648.66
Adapter; nickel plated steel; silver; Shaft: smooth
Stock : 16
Large

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Hot 6623.1000
Precise knob; with counting dial; Shaft d:6.35mm; Ø22.8x23.5mm
Stock : 30
Large

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Hot 720.4
Adapter; brass; Shaft d:4mm; copper; Shaft: smooth; Hole diam:4mm
Stock : 45
Large

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Hot 720.6
Adapter; brass; Shaft d:6mm; copper; Shaft: smooth; Hole diam:6mm
Stock : 36
Large

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Hot 720.64
Adapter; brass; Shaft d:6mm; copper; Shaft: smooth; Hole diam:4mm
Stock : 24
Large

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Hot 724.11
Adapter; thermoplastic; Shaft d:6mm; black; Shaft: smooth; L:60mm
Stock : 0
Large

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Hot 6622.1000
Precise knob; with counting dial; Shaft d:6.35mm; Ø30.4x33mm
Stock : 186
Large

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Hot 6640.1431
Adapter; nickel plated steel; Shaft d:3mm; silver; Shaft: smooth
Stock : 100
Large

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Hot 716
Adapter; aluminium; silver; Shaft: smooth; Hole diam:6mm
Stock : 0
Large

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Hot 717.6
Adapter; brass; copper; Shaft: smooth; Hole diam:6mm
Stock : 0
Large

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

More Products By Category "Knobs & Dials"

Image Part-Description

Hot 6521
Knob; Dia:20mm; M5; 6mm; polyamide; H:16mm; Boss material: brass
Stock : 110
Large

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Hot 6522
Knob; Dia:20mm; M6; 6mm; polyamide; H:16mm; Boss material: brass
Stock : 44
Large

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Hot 6531
Knob; Dia:20mm; M6; 12mm; polyamide; H:16mm; Boss material: brass
Stock : 58
Large

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Hot 6611
Knob; Dia:25mm; M5; 6mm; polyamide; H:19mm; Boss material: brass
Stock : 0
Large

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Hot 6621
Knob; Dia:25mm; M6; 8mm; polyamide; H:19mm; Boss material: brass
Stock : 0
Large

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Hot 6622.1000
Precise knob; with counting dial; Shaft d:6.35mm; Ø30.4x33mm
Stock : 186
Large

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Hot 6640.1431
Adapter; nickel plated steel; Shaft d:3mm; silver; Shaft: smooth
Stock : 100
Large

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Hot 6661
Knob; Dia:25mm; M8; 16mm; polyamide; H:19mm; Features: knurled
Stock : 75
Large

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Hot 6666
Knob; Dia:25mm; M8; 25mm; polyamide; H:19mm; Features: knurled
Stock : 25
Large

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Hot 6721
Knob; Dia:32mm; M8; 10mm; polyamide; H:22mm; Boss material: brass
Stock : 75
Large

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Additional Infomation About Product

Mechanisches Zubehr Mechanical Accessories Verlngerungsachsen Extension Shafts Hart-PVC schwarz Rigid PVC black A Art.-Nr. ID 60 724.1 1 1521 80 724.2 1 1522 100 724.31 1523 120 724.4 1 1524 Reduzierrohr Reducing Sleeve Messing verzinkt Brass zinced d D Art.-Nr. ID 4 6 640 1525 3 4 6640.143 1 1526 Achsdurchfhrung Shaft Lead-Through Messing vernickelt Brass nickel-plated X - 37 1527 Art.-Nr. 729 26 Magerdruck keine Lagerware Bestellmenge und Preise auf Anfrage Articles in roman typefaces not in stock Order quantities and prices on request K8 Inhalt Index 1 cs3 v2.indd 26K8 Inhalt Index 1 cs3 v2.indd 26 10.03.2011 11:44:5910.03.2011 11:44:59 DX-ON Electronics Largest Supplier of Electrical and Electronic Components Click to view similar products for Knobs & Dials category: Click to view products by Mentor manufacturer: Other Similar products are found below : 61-9028.20 61-9028.9 8529 8573 9-1437622-4 11K5015-EMNB 11K5019-ECNB 11K5020-KLAB 11K5028-JMNG 11K5048-KMNB 11K5014-EMNB 11K5015-EMNG 11K5019-EMNB 11K5029-KMNG P400S-08-D6-N K6510 KNSL500B1/8 AL811BA18 420031B18 5006 KB700BA1/4 KS700B14 411 420065A14AL 5149A 52-928.20 52-928.60 52-928.9 8517 8546 8570 8572 H-516-3A P861H-0X-S6 8544 11K5014-JMNG 11K5014-KMNG 11K5014-ECNG 5700E KA500B18 KFS600B14 KN900AB14 KFS500B14 KNS501B18 PKD60B1018 PK1100B18 PKES140B14 PKES150B14 PKJT70B14 5002-5

HS Compliance

Tariff Desc

3926.90.90 Other articles of plastics and articles of other materials ---Other

782XDXH21-24D General Purpose Relay by Schneider

782XDXH21-24D General Purpose Relay by Schneider

Mar 17, 2025
The 782XDXH21-24D General Purpose Relay by Schneider is a 4PDT, 24VDC, 5A hermetically sealed power relay designed for industrial automation, energy systems, and hazardous environments. As part of the 782H Series , it ensures durability, reliability, and safety in applications such a

XT60UPB-M, XT60PW-F, XT30UPB-M, XT30UPB-F DC Power Connectors

XT60UPB-M, XT60PW-F, XT30UPB-M, XT30UPB-F DC Power Connectors

Dec 13, 2024
Discover the XT60UPB-M, XT60PW-F, XT30UPB-M, and XT30UPB-F DC power connectors by Amass, engineered for high-performance applications like drones, robotics, and RC vehicles. Designed for reliability and efficiency, these connectors handle currents up to 30A (XT60 series) and 15A (XT30 series), ensu

1757048 Terminal Blocks by Phoenix Contact – 2-Position

1757048 Terminal Blocks by Phoenix Contact – 2-Position

May 29, 2025
1757048 Pluggable Terminal Blocks by Phoenix Contact offer secure, modular connections with a 5.08mm pitch, ideal for industrial, HVAC, and control systems worldwide.

ATS675LSETN-LT-T Speed Sensors by Allegro Retailers

ATS675LSETN-LT-T Speed Sensors by Allegro Retailers

Dec 4, 2024
The ATS675LSETN-LT-T Speed Sensor by Allegro is a high-performance, self-calibrating Hall-effect sensor designed for precise speed and position detection. Available globally through Xon Electronics, this sensor is ideal for automotive systems like camshaft and crankshaft position sensing, industria

Request a Quote

Discover the untapped potential of sourcing all your orders with us. We're equipped to handle your larger orders with competitive pricing. Request a quote today.

Part Info

* Initial Quantity Needed Required

* Est. Annual Quantity Needed Required

* Target Price(USD) Required

* Required Turnaround (Days)
Required

Competitor price(USD)

Link To Competitor's Site

* Shipping Country Required

Bought This Part Before

Name Of Currently Approved Vendors

Customer Info

* Name Required

* Email Required

* Phone Required

* Company Required

Company Website

* Industry:
Required

Thank You for Your Request for Quotation (RFQ)

Dear ,

Thank you for submitting your Request for Quotation (RFQ) to us. We appreciate the opportunity to work with you on RFQ.

Our team is currently reviewing the details you provided, and we will get back to you shortly with any additional questions or a quotation. If you have any further information to add or specific requirements, please feel free to reach out to us.

Thank you once again for considering us for your service. We look forward to the possibility of working together.

Best regards,

X-ON Team

SAVE ON YOUR FIRST ORDER!

Save 5% upto 50$ on First order of New Registered User.

🔥 Special Limited Offer! 🔥

Calling all new customers! Register now with Xon Electronics and save 5%, up to 50$, on your first order!

Don't miss out – this offer won't last forever!

Discount Code : XONFIRSTUSER

View More...

Get the Latest News

Required Invalid E-Mail.

Looking for help? Visit our FAQ's Section to answer to all your questions

Resources

Blog
Visual Menu

Best Buys
New Products
New By Manufacturer
Key Interest
Special Locked Prices

Company

About X-ON
X-ON Locations
Kitting

Support

Contact X-ON
Shipping & Return Policy
Help
FAQ's
Track My Order

X-ON Worldwide Electronics

Welcome To X-ON Electronics
For over three decades, we have been advocating and shaping the electronic components industry. Our management complements our worldwide business scope and focus. We are committed to innovation, backed by a strong business foundation. If you need a trustworthy supplier of electronic components for your business – look no further.
+61 8 9358 9358 | sales@x-on.com.au | Chat

Policies | Terms and Conditions | Sitemap

Copyright ©2025 X-ON Electronics Services. All rights reserved.
Please ensure you have read and understood our Terms & Conditions before purchasing. All prices exclude GST.

Availability	Price	Buy Price	Quantity
286 Ship by Wed. 25 Jun to Fri. 27 Jun MOQ : 2 Multiples : 1	2 : USD 1.1392 10 : USD 0.5659 52 : USD 0.3851 142 : USD 0.3646

Image	Part-Description
Hot	648.66 Adapter; nickel plated steel; silver; Shaft: smooth Stock : 16 Large This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Hot	6623.1000 Precise knob; with counting dial; Shaft d:6.35mm; Ø22.8x23.5mm Stock : 30 Large This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Hot	720.4 Adapter; brass; Shaft d:4mm; copper; Shaft: smooth; Hole diam:4mm Stock : 45 Large This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Hot	720.6 Adapter; brass; Shaft d:6mm; copper; Shaft: smooth; Hole diam:6mm Stock : 36 Large This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Hot	720.64 Adapter; brass; Shaft d:6mm; copper; Shaft: smooth; Hole diam:4mm Stock : 24 Large This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Hot	724.11 Adapter; thermoplastic; Shaft d:6mm; black; Shaft: smooth; L:60mm Stock : 0 Large This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Hot	6622.1000 Precise knob; with counting dial; Shaft d:6.35mm; Ø30.4x33mm Stock : 186 Large This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Hot	6640.1431 Adapter; nickel plated steel; Shaft d:3mm; silver; Shaft: smooth Stock : 100 Large This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Hot	716 Adapter; aluminium; silver; Shaft: smooth; Hole diam:6mm Stock : 0 Large This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Hot	717.6 Adapter; brass; copper; Shaft: smooth; Hole diam:6mm Stock : 0 Large This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Image	Part-Description
Hot	6521 Knob; Dia:20mm; M5; 6mm; polyamide; H:16mm; Boss material: brass Stock : 110 Large This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Hot	6522 Knob; Dia:20mm; M6; 6mm; polyamide; H:16mm; Boss material: brass Stock : 44 Large This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Hot	6531 Knob; Dia:20mm; M6; 12mm; polyamide; H:16mm; Boss material: brass Stock : 58 Large This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Hot	6611 Knob; Dia:25mm; M5; 6mm; polyamide; H:19mm; Boss material: brass Stock : 0 Large This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Hot	6621 Knob; Dia:25mm; M6; 8mm; polyamide; H:19mm; Boss material: brass Stock : 0 Large This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Hot	6622.1000 Precise knob; with counting dial; Shaft d:6.35mm; Ø30.4x33mm Stock : 186 Large This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Hot	6640.1431 Adapter; nickel plated steel; Shaft d:3mm; silver; Shaft: smooth Stock : 100 Large This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Hot	6661 Knob; Dia:25mm; M8; 16mm; polyamide; H:19mm; Features: knurled Stock : 75 Large This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Hot	6666 Knob; Dia:25mm; M8; 25mm; polyamide; H:19mm; Features: knurled Stock : 25 Large This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Hot	6721 Knob; Dia:32mm; M8; 10mm; polyamide; H:22mm; Boss material: brass Stock : 75 Large This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.