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MIL-A-70788A (AR)
W/AMENDEMENT 3
TABLE II. Attribute sampling inspection
Inspection Levels
Lot Size
I
II
III
IV
V
VI
2 to 8
*
*
*
*
5
3
9 to 15
*
*
*
13
5
3
16 to 25
*
*
*
13
5
3
26 to 50
*
*
32
13
5
3
51 to 90
*
*
32
13
13
5
91 to 150
*
125
32
13
13
5
151 to 280
*
125
32
13
20
8
281 to 500
*
125
32
30
20
8
501 to 1200
*
125
80
50
20
13
1201 to 3200
1250
125
80
50
32
13
3201 to 10000
1250
125
125
50
32
13
10001 to 35000
1250
315
125
80
50
13
35001 to 150000
1250
315
125
80
50
13
150001 to 500000
1250
500
200
125
50
13
500001 and over
1250
500
200
125
50
13
Number under inspection levels indicate sample size; asterisks (*) indicates one
hundred percent inspection. If sample size exceeds lot size, perform one hundred percent
inspection. Accept on zero and reject on one or more for all inspection levels.
b. Alternative quality conformance provisions. Unless otherwise specified herein
or provided for in the contract, alternative quality conformance procedures, methods, or
equipment, such as statistical process control, tool control, other types of sampling
procedures, etc., may be used by the contractor when they provide, as a minimum, the
level of quality assurance required by the provisions specified herein. Prior to applying
such alternative procedures, methods, or equipment, the contractor shall describe them in
a written proposal submitted to the Government for evaluation (6.3). When required, the
contract shall demonstrate that the effectiveness of each proposed alternative is equal to
or better than the specified quality assurance provisions (s) herein. In cases of dispute as
to whether the contractor's proposed alternative (s) provide equivalent assurance, the
provisions of this specification shall apply. All approved alternative provisions shall be
specifically incorporated into the contractor's quality program or detailed inspection
system, as applicable.
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