MIL-DTL-13484G
Table II. Group A Inspection.
Paragraph
Title
Lead connections
Contact voltage drop
Physical characteristics
Contact voltage drop
Insulation resistance
Waterproofness
Contact voltage drop
Open circuit resistance
TABLE III. Zero defect sampling plan.
Minimum number of
Lot size
switches to be tested
1 - 12
All
13 - 150
13
151 - 280
20
281 - 500
29
501 - 1,200
34
1,201 - 3,200
42
3,201 - 10,000
50
10,001 - 35,000
60
4.5.3.1 Group B inspection. Group B inspection shall consist of the inspections specified in table IV, in
the order shown. When a manufacturer has switches qualified under various MS military standards or
military specification sheets, the qualifying activity may authorize group B tests that do not require
redundant testing on similar features. Group B inspection shall be performed on sample units selected from
inspection lots which have passed group A inspection. A manufacturer's normal quality control tests,
production tests, environmental tests and so forth may be used to fulfill all or part of group B inspection;
however, all of group B inspection shall be completed as specified in table IV. Data used may be
accumulated within the previous 24 months.
4.5.3.1.1 Sampling plan. Group B inspections shall be completed in accordance with table IV within 36
months after the date of notification of qualification and within each subsequent 36 month period. The
sample units shall be selected either from stock or a current production lot unless the Government
considers it more practical to select a sample from current production. Switches selected from stock shall
have been produced after the date of notification of qualification or subsequent to the date code of the
previous group B inspection sample units. Group B inspection shall be performed on sample units
produced using the same manufacturing facilities and processes as units normally offered for acquisition.
When there has been no production of a particular type of switch for 36 months or more, sample units shall
be selected from the next production lot presented for acceptance and for each subsequent 36 month
period. When the specification sheet covers more than one part number, the part number subjected to
group B inspection shall be the same part number specified for qualification; however, the group B
inspection sample unit(s) need not be submitted to inspections not specified for qualification.
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