MIL-DTL-70329A
4.3.1 Inspection lot. An inspection lot shall consist of all nuts covered by a single specification sheet, produced
under essentially the same conditions, and offered for inspection at one time.
4.3.2 Rejected lots. If an inspection lot is rejected, the contractor may rework it to correct the defects, or screen
out the defective units, and resubmit it for reinspection. Resubmitted lots shall be inspected using tightened
inspection. Such lots shall be separate from new lots, and shall be clearly identified as reinspected lots.
4.3.3 Sampling for group A inspection. Sampling shall be in accordance with ASQ Z1.4 inspection level II
with acceptance on zero and rejection on one for major defects. For minor defects, inspection level I with
acceptance on zero and rejection on one.
4.3.3.1 Classification of defects. Defects shall be classified as specified in table II.
TABLE II. Classification of defects.
Category
Defect
Critical
None defined
Major
101
Runout and parallelism of faces not as
Specified.
102
Threads not as specified.
103
Face diameter not as specified.
Minor
201
Thickness not as specified.
202
Outside diameter not as specified.
203
Protective finish, if applicable, missing.
204
Burrs or sharp edges.
205
Other dimensional characteristics not
covered above.
206
Workmanship not as specified.
207
Marking missing, incorrect, insufficient,
illegible or not permanent.
208
Packaging not as specified.
4.3.4 Sampling for group B inspection. Sampling shall be in accordance with ASQ Z1.4 inspection level S-2
with acceptance on zero and rejection on one and may be made on sample units which have been subjected to and
have passed group A inspection.
4.3.4.1 Disposition of sample units. Sample units which have passed all the group B inspection may be
delivered on the contract or purchase order if the lot is accepted and the sample units are still within specified
requirements.
4.3.5 Sampling for group C inspection. Sampling shall be in accordance with ASQ Z1.4 inspection level S-2
with acceptance on zero and rejection on one.
4.3.5.1 Disposition of sample units. Sample units which have been subjected to group C inspection shall not
be delivered on the contract.
4.3.6 Sampling for protective finish test. Sampling for protective finish test shall be in accordance with the
applicable specifications referenced in 3.5.
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