MIL-DTL-38999/29C
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 MIL-STD-202, method
204, test condition G. 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:
The mated, wired 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%.
Changes from previous issue. The margins of this specification are marked with vertical lines to indicate
where changes from the previous issue were made. This was done as a convenience only and the
Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and
contractors are cautioned to evaluate the requirements of this document based on the entire content
irrespective of the marginal notations and relationship to the last previous issue.
Referenced documents. In addition to MIL-DTL-38999, this document references the following:
MIL-DTL-38999/20
MIL-DTL-38999/21
MIL-DTL-38999/22
MIL-DTL-38999/23
MIL-DTL-38999/24
MIL-DTL-38999/25
MIL-DTL-38999/27
MIL-STD-202
MIL-STD-1560
EIA-364-28
SAE-AS85049
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