MIL-PRF-26542F
4.4 Conformance inspection.
4.4.1 Inspection of product for delivery. Inspection of product for delivery shall consist of group A and
group B inspections.
4.4.1.1 Group A inspection. Group A inspection shall consist of the following inspections, as specified
in the requirements section of the specification sheet (see 3.1):
a.
b.
c.
d.
4.4.1.1.1 Sampling plan. A sample of parts shall be randomly selected in accordance with table II. If
one or more defects are found, the lot shall be rescreened and defects removed. After screening and
removal of defects, a new sample of parts shall be randomly selected in accordance with table II. If one
or more defects are found in the second sample, the lot shall be rejected and shall not be supplied to this
specification. Reinspected lots shall be clearly identified.
4.4.1.2 Group B inspection. Group B inspection shall consist of the following inspections (see table I)
and shall be made on sample units which have been subjected to and have passed the group A
inspection.
4.4.1.2.1 Sampling plan. A sample of parts shall be randomly selected in accordance with table II. If
one or more defects are found, the lot shall be rescreened and defects removed. After screening and
removal of defects, a new sample of parts shall be randomly selected in accordance with table II. If one
or more defects are found in the second sample, the lot shall be rejected and shall not be supplied to this
specification. Reinspected lots shall be clearly identified.
TABLE II. Group A and B, zero defect sampling plan.
Lot
Sample size
size
Group A
Group B
2 to
8
1/
2
9 to
13
1/
3
13
14 to
25
3
13
26 to
50
5
13
51 to
90
6
13
91 to
150
7
20
151 to
280
10
29
281 to
500
11
34
501 to 1,200
15
42
1,201 to 3,200
18
50
3,201 to 10,000
22
10,001 to 35,000
60
29
1/ Indicates entire lot must be inspected.
10
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