MIL-DTL-48412B
4.1.2 Quality assurance terms and definitions. Reference shall be made to ASQC A8402 to define the
quality assurance terms used.
4.1.3 Inspections. Inspections shall be in accordance with MIL-A-2550.
4.2 Inspection conditions. Unless otherwise specified (see 6.2), all inspections shall be performed
under the following conditions:
Temperature: room ambient (68 to 77bF)
a.
b.
Altitude: sea level
c.
Humidity: 50 percent relative, maximum
d.
Atmospheric pressure: 14.7 psi
4.3 Quality conformance inspection.
4.3.1 Lot.
4.3.1.1 Submission of product. Unless otherwise specified by the contracting activity, formation and
identification of lots shall be in accordance with ASQC Z1.4.
4.3.1.2 Size of lot. The production lot size shall be as specified in the contract.
4.3.2 Examination. On reprocessed parts, 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. Inspection for rubber O-rings shall be in
accordance with MIL-STD-413. 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.
4.3.2.1 Examination of reclaimed parts. Examination of reusable parts, which require no
reprocessing, shall be limited to inspection of defects that require visual type inspection. One hundred
percent examination shall be performed for all such defects. All nonconforming parts shall be
reprocessed or rejected.
4.3.2.2 Filter, Drawing 10520414, covering a detail of Drawing 10520621.
Characteristics
Defect
Method of Inspection
Critical
None defined
Major
101
Nylon patch not properly located or fused
Manual/Visual
102
Metal defective
Visual
103
Protective finish inadequate or defective
Visual
104
Burr
Visual
105
Foreign matter
Visual
4
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