INCH-POUND MIL-PRF-55629/1G 10 March 2010 SUPERSEDING MIL-PRF-55629/1F 21 September 2005 PERFORMANCE SPECIFICATION SHEET CIRCUIT BREAKERS, MAGNETIC, UNSEALED, TRIP-FREE, SINGLE POLE (0.2 TO 100 AMPERES) This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-PRF-55629. FIGURE 1. Dimensions and configurations (configuration 1). AMSC N/A FSC 5925 MIL-PRF-55629/1G Inches mm Ltr Min Max Min Max A 1.420 1.470 36.07 37.34 B .149 .211 3.78 5.36 C .730 .780 18.54 19.81 D .359 .391 9.12 9.93 E 2.046 2.078 51.97 52.78 F --- 2.530 --- 64.26 G .187 .249 4.75 6.32 H .109 .171 2.77 4.34 J --- 2.553 --- 64.85 J (65-100 amps) --- 3.125 --- 79.38 K .249 .311 6.32 7.90 L 1.660 1.960 42.16 49.78 M 1.940 2.100 49.28 53.34 N (65-100 amps) 2.060 2.340 52.33 59.44 P --- .427 R --- 10.85 R R .519 .699 13.18 17.75 S .230 .270 5.84 6.86 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Unless otherwise specified, tolerance is .031 (0.79 mm). 4. Nut-hex: (.2 - 50 amperes) .190 - 32 UNF-2B .313/.303 across flats, .109 .010 thick. (65 - 100 amperes) .250 - 28 UNF-2B .438 .016 across flats or .250 - 20 UNC-2B .375 .016 across flats. Material: Brass (ASTM-B121/B121M or equivalent) tin plated (ASTM-B545 or equivalent) or stainless steel, for each terminal. 5. Captive washer nut assembly of brass nut, bronze washer, tin plated or lockwasher, internal or external tooth, NASM35333-107 or MS35335-88 (.2 - 50 amperes), NASM35333-108 or MS35335-89 (65 -100 amperes) or equivalent. (Use of washers optional on 65 - 100 amperes units.) 6. Washer, flat: (.2 - 50 amperes) .378/.368 O.D., .204/.190 I.D., .032 .005 thick. (65 100 amperes) 500 .016 O.D., .281 .016 I.D., .035 .005 thick. Material: Brass (ASTM-B121/B121M or equivalent), tin plated (ASTM-B545 or equivalent), or phosphor bronze, composition (ASTM-B139/B139M or equivalent). 7. Lockwasher, Split: (.2 - 50 amperes) NASM35338-138 or equivalent. (65 - 100 amperes) NASM35338-139 or equivalent. 8. Physical item marking of load terminal optional. FIGURE 1. Dimensions and configurations (configuration 1) Continued. 2