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| MIL-R-82689
equipment, processes, and procedures as used in regular production. All parts and materials, including
packaging and packing, must be the same as will be used for regular production and shall be obtained from
the same source of supply. After inspection and provisional acceptance at source, the first article sample
shall be inspected for all requirements of the drawings and specifications. The Government reserves the
right to require new first article samples until an acceptable sample is submitted (see 6.3).
4.5 Quality conformance inspection.
4.5.1 Lot.
4.5.1.1 Submission of product. Unless otherwise specified by the contracting activity, formation and
identification of lots shall be in accordance with MIL-STD-105.
4.5.1.2 Size of lot. The production lot size shall be as specified in the contract.
4.5.2 Examination. One hundred percent examination shall be performed for all critical defects.
Examination for major and minor defects shall be performed on a defect basis in accordance with the
classification of defects. Four power (4x) magnification may be used in performing visual examination for
such defects as burr and foreign matter. When compliance with the applicable requirement is in doubt as a
result of visual examination, the characteristic shall be measured or gaged to determine acceptability. All
nonconforming material shall be rejected.
4.5.2.1 Cylinder, Drawing 5184973, covering a detail of Drawing 5184966.
Characteristics
Defect
Method of Inspection
Critical
None defined
Major
101
Pitch diameter of thread, max
Gage
102
Minor diameter of thread, max
Gage
103
Concentricity of counterbore with pitch diameter of thread
Gage
104
Concentricity of cavity with pitch diameter of thread
Gage
105
Perpendicularity of seat of counterbore to seat of cavity, min
Gage
106
Diameter of counterbore, max
Gage
107
Diameter of cavity, max
Gage
108
Depth to seat of counterbore, min
Gage
109
Depth to counterbore, max
Gage
110
Depth to seat of counterbore to seat of cavity, min
Gage
111
Wall thickness, min
Gage
112
Metal defective
Visual
113
Protective finish inadequate or defective
Visual
5
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