MIL-DTL-484J
4.3 Conformance inspection. Conformance inspection shall include the examination of 4.4 and
the tests of 4.4.3 as applicable. Sampling for inspection shall be performed in accordance with
ANSI/ASQ Z1.4 and with quality acceptance levels as specified in the contract and/or order,
except where otherwise indicated.
4.3.1 Material inspection. In accordance with 4.1 above, the material shall be inspected in
accordance with all the requirements of referenced documents, unless otherwise excluded,
amended, modified or qualified in this specification or applicable procurement documents.
4.4 Examination. Each roll in the sample shall be examined yard-by-yard on the face side
only. When the total yardage in the roll does not exceed 100 yards, the entire yardage in the roll
shall be examined. When the total yardage in the roll exceeds 100 yards, only 100 yards shall be
examined. All defects, as defined in Section I of FED-STD-4, which are clearly noticeable at
normal inspection distance (3 feet), shall be scored and assigned demerit points as listed in 4.4.1
except that only those slubs and knots which exceed the limits shown on Sears Fabric Defect
Scales (see 6.5), "E" for slubs and "D" for knots shall be scored. No linear yard (increments of
1 yard on the measuring device of the inspection machine) from any one roll within sample shall
be penalized more than four points. The sample size shall be 20 rolls selected from 20
containers. The lot shall be unacceptable if the points per 100 square yards examined exceeds
28.0 points for Type I and 40.0 points for Type VI. The lot shall be unacceptable if the points
per 100 square yards of two or more individual rolls exceeds 42.0 points for Type I and 60.0
points for Type VI. If one roll in the sample exceeds 42.0 points for Type I and 60.0 points for
Type VI per 100 square yards, a second sample of 20 rolls shall be examined for individual roll
quality only. The lot shall be unacceptable if one or more rolls in the second sample exceeds
42.0 points for Type I and 60.0 points for Type VI per 100 square yards. Point computation for
lot quality and individual roll quality shall be as follows:
Total points scored in sample x 3600
= Point per 100
Contracted width of cloth (inches) x Total yards inspected square yards
4.4.1 Demerit points. Demerit points shall be assigned as follows:
For defects 3 inches or less in any dimension
-
one point
For defects exceeding 3 inches, but not
exceeding 6 inches in any dimension
-
two points
For defects exceeding 6 inches, but not
exceeding 9 inches in any dimension
-
three points
For defects exceeding 9 inches in any dimension
-
four points
The following defects, when present, shall be scored four points for each yard in which they
occur:
Objectionable odor
Baggy, ridgy, or wavy cloth
Poor dye penetration, mottled, streaky, or cloudy
Excessive nappiness
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