INCH-POUND
MIL-PRF-55629/22G
10 March 2010
SUPERSEDING
MIL-PRF-55629/22F
21 September 2005
PERFORMANCE SPECIFICATION SHEET
CIRCUIT BREAKERS, MAGNETIC, PANEL SEAL,
TRIP-FREE, SERIES TRIP, THREE POLE
(0.2 TO 30 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-55629/22G
Inches mm
Ltr
Min Max Min Max
A --- 2.265 ---
B .735 .765 18.67 19.43
C .641 .671 16.28 17.04
D 1.189 1.251 30.20 31.78
E 1.969 2.031 50.01 51.59
F .030 .035 0.76 0.89
G .060 .065 1.52 1.65
H .115 .145 2.92 3.68
J .312 REF .374 REF 7.92 REF 9.50 REF
K 1.499 1.561 38.07 39.65
L .199 .261 5.05 6.63
M --- 2.232 --- 56.69
N .594 .656 15.09 16.66
P .349 .395 8.86 10.03
R .719 .781 18.26 19.84
S .030 .035 0.76 0.89
T .079 REF .141 REF 2.01 REF 3.58 REF
U .019 REF .021 REF 0.48 REF 0.53 REF
V .019 REF .081 REF 0.48 REF 2.06 REF
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. Lockwasher, split, No. 8 NASM35338-137 or equivalent.
5 Terminal screw, No. 8, .164-32 UNC-2A, .187 .015 long, material: Brass, tin plated (ASTM-B545 or
equivalent).
6. Passivated - corrosion resisting steel screw, slotted head with integral O-ring, may be replaced by the
NASM3212-12 with cross-recessed head or equivalent.
7. Hex mounting nut .500-32 UNF-2B thread, .625 .010 across flats, .120/.125 thick, brass nickel plated,
SAE-AMS-QQ-N-290 nonglare; may be replaced with MS25082-B22 or equivalent.
8. Internal tooth lockwasher, .625 .005 O.D., .510 .005 I.D., .028 .005 thick, stainless steel.
9. O-ring, material: Material shall be selected to enable the O-ring to meet the performance requirements of
this specification. Butadiene acrylonitrite has been successfully used in the past and should be considered
for meeting the O-ring requirements of the specification.
10. Auxiliary switch terminals shall provide for soldered connections.
11. Physical item marking of the words LOAD and CB CONT OPEN is optional.
FIGURE 1. Dimensions and configurations (configuration 1) Continued.
2