MIL-DTL-55302/134B
REQUIREMENTS:
Dimensions and configurations: See figure 1.
Materials and finishes:
Contact plating: The contact mating area shall be gold in accordance with ASTM B488, type II, code C
or D, class 1.27, over nickel plating in accordance with SAE-AMS-QQ-N-290, 30 to 150 microinches.
The contact mating area is defined on figure 3.
Nonfunctional area: Any portion of the contact other than the contact mating area or termination area
can be plated in accordance with MIL-DTL-55302.
Contact identification: See figure 1.
Body design: The insulator body of each receptacle may be two-piece construction secured by
mechanical means.
Contact separation force: Separation force shall be .5 ounce minimum, using the following test pins.
a. Insert and withdraw test pin A (see figure 2).
b. Insert pin B (see figure 2) fully and withdraw test pin B .071 inch and measure the separation
force.
Mating and unmating: The maximum mating force, in pounds, shall not exceed a value equal to 0.25
times the number of contacts, and the withdrawal force, in pounds, shall be a minimum of 0.025 times
the number of contacts and shall exceed the measured insertion force, when the housing is loaded with
contacts and mating with connector specified in MIL-DTL-55302/133.
Contact rating: 3.0 amperes maximum per contact.
Contact resistance: No individual contact pair shall have a resistance exceeded .020 ohm.
Contact retention: 3 pounds minimum per contact.
Dielectric withstanding voltage:
Sea level: 1,000 volts rms, 50 or 60 hertz.
High altitude: 300 volts rms, 50 or 60 hertz.
Oversize pin exclusion: Not applicable.
PIN: See figure 1.
Previous note: Marginal notations are not used in this revision to identify changes with respect to the
previous issue due to the extent of the changes.
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