Method 4.5.22 tests coupling mechanism retention forces. The adapter body and coupling mechanism are respectively secured to the lower and upper jaws of a tensile tester in an appropriate manner. A tensile load is applied at a rate of approximately 100 pounds/minute up to the specified force and held at that value for one minute.
During the one minute of steadily applied force, the coupling mechanism is rotated with respect to the adapter body, two full revolutions. The test evaluates whether the coupling mechanism maintains its engagement under tensile load.
This test ensures the mechanical reliability of connector coupling under operational loads encountered in military equipment.
This test evaluates the coupling mechanism retention force of connector specimens as specified in MIL-PRF-39012. The test is performed in accordance with the procedures defined in the standard to verify compliance with the applicable requirements.
Test specimens are prepared and conditioned as specified, then subjected to the defined test procedure. Results are compared against the acceptance criteria established in the product specification to determine conformance.