A-A-55242A
test specimen fails to meet the minimum requirement specified. For breaking strength after
accelerated aging, the lot shall be unacceptable if the lot percent average loss in strength
exceeds the maximum requirement. The sample size shall be as follows:
Lot size (yards)
Sample size (sample units)
800 or less
2
801 up to and including 22,000
3
22,001 and over
5
TABLE IV. End item tests.
Characteristic
Reference
Test method
No. of
Results reported as
determinations per
sample unit
Weave
Table I
Visual
1
Pass or fail
Ends total
Table I
Visual
-
-
Picks per inch
Table I
Visual
-
-
Weight
Table I
ASTM-D-3776 1/
1
Nearest 0.01 ounces
Thickness
Table I
ASTM-D-1777
1
-
Break strength:
Table I
ASTM-D-5035
5
Individually and average
Initial
of 5 deter. to nearest 1.0
lb.
After abrasion
Table I
ASTM-D-5309 2/
5
Individually and average
(class 2)
&
of 5 deter.to nearest 1.0
ASTM-D-5035
lb.
After accel-erated
Table I
ASTM-D-5820 2/
-
Aver. of 5 deter. to
aging (class 2)
3/
nearest 1.0 lb. Then
&
nearest 1.0 % loss from
ASTM-D-5035
untreated, not aged
results.
Elongation:
Table I
ASTM-D-5035
5
Aver. of 5 deter to nearest
At 2500 lb
1.0 %
load: type I
At 3000 lb load:
Table I
ASTM-D-5035
5
Aver. of 5 deter. to
types II, III, IV, V,
nearest 0.1 %
VI
At 90 percent of
Table I
ASTM-D-5035
5
Aver. of 5 deter. to
specified
nearest 0.1%
minimum breaking
strength: types II,
III, IV, V, VI
1/ Except that one specimen 1 linear yard in length shall be weighed.
2/ Test methods shall be as specified in FTMS 191 - Textile Test Methods.
3/ Except that the webbing shall be oven aged for 7 days at 150oF + 2oF.
5.8 Acceptance criteria. Acceptance criteria shall be as specified in the contract or purchase
order.
7
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