MIL-DTL-55302/149C
REQUIREMENTS
Dimensions and configurations: See figures 1 through 7.
Contact identification: See figure 4.
Contact retention: Coaxial and power: 11.25 pounds minimum.
Signal: 4 pounds minimum.
Power
Signal
Coaxial
Mating and unmating force (per contact):
(Min)
7.2 ounces
3.6 ounces
0.7 ounce
(Max)
36 ounces
18 ounces
3.6 ounces
Values for each connector to be addition of contacts according to contact type.
Contact separation: 3.5 ounces minimum.
Contact resistance: 12 milliohms maximum.
Dielectric withstanding voltage:
Sea level: 1,000 V rms, 60 Hz.
High altitude: 300 V rms, 60 Hz.
Current rating:
Power contacts: 25 amperes at 25°C.
Coaxial contacts: .5 ampere at 25°C.
Signal contacts: 3 amperes at 25°C.
Keying: Moldings and mounting hardware provide 16 or 36 polarizing positions according to choice of
4 or 6 way capability. Keys are constructed in accordance with MIL-DTL-55302/154. Connectors are
supplied with hex pins in the "1" and "A" positions, except for 1/4-turn locking styles, which are keyed in
"F" and "6" positions. When required, connectors can be easily keyed to desired position by using a
simple wrench.
Contact Separation
Signal 0.5 ounce minimum, measured using the test pins defined in MIL-DTL-55302/142.
Coaxial 0.5 ounce minimum using the following test pins
A. Insert and withdraw test pin A (see figure 7).
B. Insert test pin B fully and measure the separation force as the pin is withdrawn (see figure 7).
Power 1.4 ounce minimum using the following test pins
A. Insert and withdraw test pin C (see figure 7).
B. Insert test pin D fully and measure the separation force as the pin is withdrawn (see figure 7).
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