MIL-DTL-9177/4C(USAF)
REQUIREMENTS:
Dimensions and configurations: See figure 1.
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.
Spring life: The spring life test is applicable.
Contact spring pressure: The contact spring pressure test is applicable.
Body and insulation: Materials shall have electrical and non-electrical properties appropriate for their
intended use in electrical components. Optional materials are as follows:
a. Glass-filled polycarbonates in accordance with MIL-P-81390.
b. Glass-filled nylon in accordance with ASTM D4066.
Mounting panel thickness: For use on 0.1875-inch (4.76 mm) maximum panels.
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): M9177/4-1.
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 5935-4436-003)
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