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Page Title:
Quality assurance terms and definitions |
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| MIL-T-45498C
4.1.2 Quality assurance terms and definitions. Reference shall be made to MIL-STD-109 to define the
quality assurance terms used.
4.1.3 Inspections. Inspections shall be in accordance with MIL-A-2550.
4.2 Classification of inspections. The inspection requirements specified herein are classified as follows:
a.
First article inspection (see 4.4)
b.
Quality conformance inspection (see 4.5)
4.3 Inspection conditions. Unless otherwise specified (see 6.2), all inspections shall be performed under
the following conditions:
a.
Temperature: room ambient (68 to 77F)
b.
Altitude: sea level
c.
Humidity: 50 percent relative, maximum
d.
Atmospheric pressure: 14.7 psi
4.4 First article inspection. At the beginning of regular production, the contractor shall submit an initial
production sample to a Government approved facility for evaluation. The sample shall consist of five metal
parts assemblies, nine sets of unassembled parts, one set of unassembled parts without plating or final
protective finish, and fifty shear pins from the same lot of shear pins tested by the contractor. The sample shall
be manufactured in the same manner, using the same materials, 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. 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.
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