MIL-DTL-12211G
TABLE II. Qualification inspection.
Requirements
Method
Number
Number
Inspection
paragraph
paragraph
of sample
of defects
Visual and mechanical examination
and 3.9 inclusive.
Calibration
Terminal strength
Pressure overload
High voltage
4
0
Corrosion resistance
Fungus resistance
Immersion
Extreme temperature resistance
Shock
Vibration, high frequency
Endurance
4.5 Retention of qualification. Every 12 months, the manufacturer shall verify the retention of
qualification to the qualifying activity. In addition, the manufacturer shall immediately notify the qualifying
activity whenever the group B inspection results indicate failures of the qualified product to meet the
requirements of this specification. Verification shall be based on meeting the following requirements:
a. The manufacturer has not modified the design of the item.
b. The specification requirements for the item have not been amended so far as to affect the
character of the item.
c.
Lot rejection for group A inspection does not exceed the group A sampling plan.
d. The requirements for group B inspection are met.
When group B requirements were not met and the manufacturer has taken corrective action satisfactory
to the Government, group B inspection retesting shall be instituted.
4.6 Conformance inspections.
4.6.1 Inspection of product for delivery. Inspection of packaging shall consist of group A
4.6.1.1 Inspection lot. An inspection lot, as far as practicable, shall consist of all switches produced in
a period not to exceed 30 days, produced under essentially the same conditions, and offered for
inspection at one time.
4.6.1.2 Group A inspection. Group A inspection shall consist of the examination and tests specified in
table III and shall be made on the same set of sample units, in the order shown.
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