MIL-DTL-9177/2C(USAF)
Static load: The static load test is applicable.
Insertion and withdrawal forces: The insertion and withdrawal forces shall be as specified:
Insertion force:
13 pounds maximum.
Withdrawal force 6 pounds minimum, 10 pounds maximum.
Cable retention: The cable retention test is applicable. The test cable shall be CX4707C/A1C in
accordance with USAF Drawing no. 60C12501 and MIL-C-83501. The force shall be 30 pounds
minimum.
Specified mating connector: For testing, the specified mating connector shall be M9177/3-1.
Body, insulation and shell: Materials shall have electrical and non-electrical properties appropriate for
their intended use in electrical components. Optional materials are as follows:
Body and insulation:
a. Polyvinylidene fluoride.
b. Glass-filled polycarbonates in accordance with MIL-P-81390.
c. Glass-filled nylon in accordance with ASTM D4066.
Shell:
a. Glass-filled nylon in accordance with L-P-410 or ASTM D4066.
b. Nylon zytel ST801.
Marking: Identification marking shall include both U-174A/U and the M9177/2-1 numbers.
Contact construction: Contact to terminal shall be one piece construction. Material shall be Monel in
accordance with QQ-N-281.
Solder lug terminals: The solder terminals for each contact shall be shaped and located so that
terminals nos. 2, 3, and 4 will accept two 0.030-inch (0.76 mm) diameter wires; terminal no. 1 will
accept one 0.030 - inch (0.76 mm) diameter wire.
Mating connectors: M9177/3-1, M9177/4-1, and M9177/5-1.
Part or Identifying Number (PIN): M9177/2-1.
Supersession data: M9177/2-1 supersedes U-174A/U.
Marginal notations are not used in this revision to identify changes with respect to the previous issue due
to the extent of the changes.
CONCLUDING MATERIAL
Custodians:
Preparing activity:
Air Force 11
DLA - CC
DLA - CC
Review activity:
Air Force 19, 99
(Project 5935-4436-001)
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