MIL-DTL-44436B
4.3.1 Inspection conditions. 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 Yard by Yard Examination. Each roll for Class 1, 2, 3, 6, 7, 8, 9 and 10 in the sample
shall be examined yard-by-yard on the printed side only. Each roll for Class 5 sample shall be
examined yard-by-yard. 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 III of FED-STD-4 that are clearly
noticeable at normal inspection distance (3 feet) shall be scored and assigned demerit points as
listed in 4.4.1 except as follows:
a. Only coarse yarns that exceed twice the normal diameter shall be scored.
b. Mixed filling (shade bar shall be scored only when resulting from wrong ply, wrong
twist in the yarn, or off shade yarn.
c. Only knots and slubs that exceed limits shown on Sears Fabric Defect Scale (see 2.3)
"F" for slubs and "D" for knots shall be scored.
The defects found shall be counted regardless of their proximity to each other, except where
two or more defects represent a single local condition of the cloth, in which case only the more
serious defect shall be counted. A continuous defect shall be counted as one defect for each
warpwise yard or fraction thereof in which it occurs. No linear yard (increments of 1 yard on the
measuring device of the inspection machine) from any one roll within the sample shall be
penalized more than 4 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 30.0 points. The
lot shall be unacceptable if the points per 100 square yards of two or more individual rolls
exceeds 45.0 points. If one roll in the sample exceeds 45.0 points 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 45.0 points per 100 square yards.
Point computation for lot quality and individual roll quality shall be as follows:
Total points scored in sample x 3600
= Points 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 up to 3 inches 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
All defects as specified in Table IX shall be scored four points for each yard in which they occur:
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