MIL-PRF-49173B(CR)
4.2 First article inspection. When first article testing is required, the first article inspection
shall be performed by the contractor on the number of samples specified in the contract or
purchase order (see 6.2). Sampling procedures and sampling size shall be per ANSI/ASQC Z 1.4.
This inspection shall include the examination of 4.5 and the tests of 4.3.2.
4.2.1 Visual examination. All materials, parts and assemblies shall be examined for
conformance to the applicable specification or drawing as indicated. Inspections shall be made
using ANSI/ASQC Z 1.4 sampling procedures.
TABLE I. Visual inspections
Inspection
Requirement
Verification
paragraph
paragraph
Any specified part or component
missing or damaged
3.3
4.2.1
Dimensions not as specified
3.3.1
4.2.1
Flange diameter
3.3.1
4.2.1
Flange mounting hole pattern
3.3.1
4.2.1
Weight not as specified
3.3.2
4.2.1
Treatment and painting
not as specified
3.7
4.2.1
Marking not as specified
3.8
4.2.1
Workmanship not as specified
3.9
4.2.1
4.2.2 Tests. Upon successful completion of inspections specified in 4.2.1, perform the tests
of Table II in any order. Failure to meet any performance requirement shall constitute first article
failure.
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