MIL-DTL-38999/30C
TABLE III. Separation forces (max).
15°
Shell
Straight
size
pull (N)
pull (N)
11
200
245
13
200
245
15
200
245
17
400
445
19
400
445
21
400
445
23
400
445
25
400
445
Fail-safe disengagement:
Connectors shall be partially mated with the plug coupling ring rotated approximately 50% of full
coupling. Pull-separation at ambient temperature, both straight and 15° from straight, and shall be
accomplished within the limits specified in table III.
Vibration:
Wired, mated connectors shall meet the vibration requirements of MIL-DTL-38999 with the following
exceptions:
a. Sine vibration: Connectors shall be subjected to the test specified in method 204, test
condition G, of MIL-STD-202. Accessory load shall be omitted.
b. Random vibration: Connectors shall be subjected to the test specified in EIA-364-28, test
condition VI, letter "J", ambient temperature. Duration shall be 8 hours in the longitudinal
direction and 8 hours in a perpendicular direction, for a total of 16 hours. Accessory load shall
be omitted. Additional random vibration tests as specified in MIL-DTL-38999 shall be
performed.
Ice resistance:
Wired, mated connectors with accessories attached shall be placed in a chamber and the temperature
reduced and stabilized such that the item is maintained at -18°C (tolerance of +0°C, -5°C) for 1 hour.
After stabilization of the chamber temperature, the test item shall be sprayed with water precooled to
2°C (tolerance of +5°C, -0°C), for a period of five (5) minutes. The test item shall be located a
maximum of 305 millimeters (12 inches) from the spray nozzle. The entire test item shall be exposed
to the spray. After completion of water spray, the test item shall remain in the chamber at -18°C
(tolerance of +0°C, -5°C) for an additional 30 minutes. Upon completion of the 30 minute cold soak
period, the test item shall be removed from the chamber and immediately (within two (2) minutes)
subjected to uncoupling by use of the lanyard mechanism. The force required to separate the
connector shall not exceed the values in table II by more than 50%.
5
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