MIL-DTL-75K
TABLE III. Group A sampling plan.
Lot size
Sample size
1-
13
100 percent
14 -
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
35,001 - 150,000
74
150,001 - 500,000
90
500,001 and over
102
4.6.2.2 Rejected lots. If an inspection lot is rejected, the contractor may rework it to correct the defects
or to screen out the defective units and resubmit for re-inspection. Such lots shall be separate from new
lots and shall be clearly identified as re-inspected lots.
4.6.2.3 Disposition of sample units. Sample units which have passed all the inspections specified in
table II may be delivered on the contract or purchase order if the lot is accepted.
4.6.3 Functional inspection. Functional inspection shall consist of the tests specified in table II.
4.6.3.1 Sampling plan. Sampling plans shall be as follows:
a. One sample unit for the rough handling test shall be selected whenever the design of the item or
packaging is changed.
b. For unit packs requiring waterproof or water vapor-proof barriers, five sample units for the
leakage test shall be selected daily at random from the first lot processed each day. Five
additional samples shall be selected at random from the day's total production or the number
produced if less than five.
c. The leakage test shall also be performed following the rough handling test on unit packs
requiring waterproof or water vapor-proof barriers. Five sample units or the number of units
contained within the shipping container, if less than five, shall be selected.
4.6.3.2 Failures. One or more failures shall be cause for rejection of the lot.
4.6.3.3 Disposition of sample units. Sample units which have passed the inspections specified in table
II may be delivered on the contract or purchase order if the lot is accepted and opened packs have been
reprocessed.
4.7 Methods of inspection.
4.7.1 Visual and dimensional inspections. Unit, intermediate, and exterior packs shall be inspected to
verify that the materials, designs, methods, physical limitations, marking, and workmanship are in
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