MIL-DTL-9177/3C(USAF)
REQUIREMENTS:
Dimensions and configurations: See figure 1.
Crimp sleeve: The crimp sleeve requirement is applicable.
Tool data: Use M22520/5-01 hand tool with crimp die M22520/5-29, M22520/5-35, or M22520-55.
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.
Insertion and withdrawal force after spring life: 4.5 pounds minimum.
Frame strength: The frame strength test is applicable.
Spring life: The spring life test is applicable.
Contact spring pressure: The contact spring pressure test is applicable.
Cable retention: The cable retention test is applicable. The test cable shall be WF-14/U. The force shall
be 30 pounds minimum.
Marking: Identification marking shall include both the U-92A/U and M9177/3-1 numbers.
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. Polycarbonate in accordance with ASTM D3935.
d. Glass-filled polystyrene in accordance with ASTM D4549.
Shell: Nylon zytel ST801.
Specified mating connector: For testing, the specified mating connector shall be M9177/1-1.
Mating connectors: M9177/1-1 and M9177/2-1.
Part or Identifying Number (PIN): M9177/3-1.
Supersession data: M9177/3-1 supersedes U-92A/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.
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