MIL-DTL-55302/42C
TABLE I. Part or Identifying Number (PIN), dimensions and characteristics.
Dimensions 1/, 2/
Characteristics
PIN
B ±.010
C ±.005
Number of
Contact
A
D
E min
(0.25)
(0.13)
contacts
termination
2.594
2.200
1.244
1.000
.197
Crimp,
M55302/42-01
11
(65.89)
(56.38)
(31.85)
(25.40)
(5.00)
straight
3.218
2.800
1.868
1.600
.209
Crimp,
M55302/42-02
17
(81.74)
(71.62)
47.70)
(40.64)
(5.31)
Straight
3.842
3.400
2.492
2.200
.221
Crimp,
M55302/42-03
23
(97.59)
(86.86)
(63.55)
(55.88)
(5.61)
Straight
4.466
4.000
3.116
2.800
.233
Crimp,
M55302/42-04
29
(113.44)
(102.10)
(79.40)
(71.12)
(5.92)
Straight
5.090
4.600
3.740
3.400
.245
Crimp,
M55302/42-05
35
(129.29)
(117.34)
(95.25)
(86.63)
(6.22)
straight
1/ Dimensions are in inches.
2/ Metric equivalents are given for information only.
REQUIREMENTS:
Dimensions and configurations: See figure 1 and table I.
Material:
Trapezoidal shells: Die cast aluminum in accordance with SAE-AMS-QQ-A-591, composition 13, A13, 380, or
A380, or ASTM B85, alloy 380.0 or A380.0, cadmium plated, iridescent gold color, type II, class 1 or 2, in
accordance with SAE-AMS-QQ-P-416.
Contact identification: Shall be numerical and sequential, in the pattern indicated. See figure 2.
Gold plating: Gold plating shall be in accordance with ASTM B488, type II, class 2.54. Silver underplate shall not
be used.
Contact resistance: The average resistance of all contact pairs measured shall not exceed 0.010 ohm, and no
individual contact pair shall have a resistance exceeding 0.020 ohm.
Dielectric withstanding voltage:
Sea level: 1,700 volts rms, 60 Hz, ac.
70,000 feet altitude: 565 volts rms, 60 Hz, ac.
Working voltage: 500 volts rms, maximum.
Contact size: 20.
Current rating, maximum: 7.5 amperes.
Contact current rating: 5 amperes.
Insert arrangement: See figure 2.
Mating connector: MIL-DTL-55302/38.
PIN: See table I.
4
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