MIL-DTL-43021F
4.4 End item visual examination. The end items shall be examined for the defects listed in
table I. Any nonconformance to the TDP shall be classified as a defect.
TABLE I. End item visual defects
Classification
Examine
Defect
Major
Minor
Finish, protective
Any breaks through coating of metal
201
Any area of rust or corrosion
101
Dirt, oil, grease, or other foreign matter
202
Construction and
Any component missing
102
workmanship
Any component cracked, fractured or
otherwise damaged, including damaged
welds
103
Any sharp edge, burr or metal sliver
104
Any part not assembled or joined as specified
105
Identification
Missing, incomplete not legible, incorrect or
Marking
not located or applied as specified
203
4.5 End item dimensional examination. The end items shall be examined for conformance
to the dimensions specified on Drawing 11-1-901. Only those dimensions that can be evaluated
without damaging or disassembling the end items shall be examined. Any dimension not within
the specified tolerance shall be classified as a defect.
4.6 Methods of inspection.
4.6.1 End item testing. End item testing for first article inspection shall be in accordance
with 4.6.1 and 4.6.2 for compliance with 3.4.1 and 3.4.2. The first article inspection shall be
destructive in nature and the sample sha ll not form part of a production lot. For conformance
examinations, only the proof load test (see 4.6.2) shall be performed. The proof load test is
nondestructive. Samples, after successful completion of the proof load test, shall form part of the
production lot. Results of proof load and ultimate load testing shall be reported as pass or fail.
4.6.2 Proof load test. The binder shall be secured in a suitable tensile testing device and
subjected to a dynamic load of 10,000 lbs gradually applied and held for 30 seconds. The
direction of the load shall be as depicted on drawing 11-1-901. During the proof load test the
binder shall be observed for displaying any evidence of release. After load relaxation, the binder
shall be immediately examined for no ncompliance to the requirements of 3.4.1. Any
noncompliance to 3.4.1 or showing evidence of release during the proof load test shall constitute
a failure.
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