MIL-DTL-4710E
a.
First article inspection (see 4.2).
b.
Quality conformance inspection (see 4.3).
4.2 First article inspection.
4.2.1 First article sample. For testing (see 6.2). First article sample shall consist of one case set on
which approval is desired.
4.2.2 First article test. First article test shall be conducted on the sample (see 4.2.1) and shall
consist of all inspections and test specified herein except as specified in 4.3.3.2. The test results shall be
approved by the procuring activity before production is started.
4.2.2.1 First article retest. First article tests shall be repeated in the event a change in the
manufacturing process or a change in material is made.
4.3 Quality conformance inspection. Quality conformance inspection shall consist of all
examinations specified herein and tests specified under 4.4.
4.3.1 Sampling for quality conformance inspection. Sampling for quality conformance shall be
performed in accordance with the provisions set forth in ASQ Z1.4, except where otherwise indicated. For
the purpose of sampling, inspection, and test, a lot shall consist of all case sets submitted for delivery at one
time.
4.3.1.1 Inspection levels and acceptable quality level (AQLs) for examinations. The inspection levels
for determining the sample size and the acceptable quality levels (AQLs), expressed in defects per 100 units
shall be as specified in table below. Unless otherwise specified, the AQLs listed in this inspection shall be
used to establish the sample size, however, the acceptance number shall be zero.
EXAMINATION PARAGRAPH
INSPECTION LEVEL
AOL
Major
Minor
2.5
10.0
4.3.3.1
II
4.0
4.3.3.2
S-4
4.3.2 Process examination. Examination shall be made to determine compliance with fabricated
features and surface treatment (see 3.7.1). When a deficiency is noted, correction shall be made. Failure to
make immediate correction shall be cause for rejection of affected end case lots.
4.3.3 Examination of the end item. Examination of the end item shall be made in accordance with
the inspection levels and acceptable quality levels (AQLs) specified in 4.3.1.1 and the classification of
defects set forth in the following paragraphs.
4.3.3.1 Examination of the end item for defects in finish, construction, workmanship, markings, and
dimensions. The sample unit(s) for this examination shall be a complete case set(s).
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