MIL-DTL-55116D
4.2.2 Test conditions.
4.2.2.1 Test fixture. A connector test sample can be mated with a test fixture unit to perform electrical
testing, provided all applicable test conditions are maintained.
4.2.2.2 Preconditioning. The contractor shall be permitted to precondition the connector samples prior
to performing any electrical tests. The preconditioning shall consist of removing surface moisture from
the connectors by wiping, drying, blowing, or heating. The application of heat shall be limited to 3
minutes. For unmated connectors to be subjected to immersion and humidity test, a 24 hour waiting
period in an ambient room temperature with a relative humidity of 50 ± 5% is permitted.
4.2.2.3 Preparation of samples for immersion and air pressure.
4.2.2.3.1 Connector, plug. The cable entry shall be sealed with a solid rubber plug having a length of
approximately 6 inches and a diameter within +.005 of the minimum cable size given on table I.
4.2.2.3.2 Connector receptacle. Connector receptacles shall be mounted using the normal mounting
method so that only the front face is exposed to water.
4.3 Materials inspection. Materials inspection shall consist of certification supported by verifying data
that the materials used in fabricating the connectors and accessories are in accordance with the
applicable specifications or requirements prior to such fabrication.
4.4 Inspection conditions. Unless otherwise specified herein, all inspections shall be performed under
the following ambient conditions: 15°C to 35°C, atmospheric pressure 550 to 800 mm Hg, 20 to 80
percent relative humidity.
4.5 Qualification inspection. Qualification inspection shall be performed at a laboratory acceptable to
the Government (see 6.5) on sample units (see 3.1) produced with equipment and procedures normally
used in production.
4.5.1 Samples. Nine (9) mated pairs of connectors from each specification sheet to be qualified shall
be subjected to qualification inspection. Mated receptacles and plugs shall be in accordance with table II.
TABLE II. Mating plugs and receptacles
Plugs
Mating receptacles
Plugs
Mating receptacles
MIL-DTL-55116/1
MIL-DTL-55116/9
MIL-DTL-55116/2
MIL-DTL-55116/10
MIL-DTL-55116/3
MIL-DTL-55116/11
MIL-DTL-55116/4
MIL-DTL-55116/12
MIL-DTL-55116/5
MIL-DTL-55116/13
MIL-DTL-55116/6
MIL-DTL-55116/14
MIL-DTL-55116/7
MIL-DTL-55116/8
4.5.2 Inspection routine. Sample connectors shall be subjected to the inspection on table III.
4.5.3 Failures. One or more failures shall be cause for refusal to grant QPL approval.
4.5.4 Retention of qualification. To retain qualification, the contractor shall furnish the following reports
to the qualifying activity at the time intervals specified:
a. 12 month intervals A summary of the results of both group A and group B tests performed for
inspection of product for delivery, indicating as a minimum the number of lots that have passed and
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