MIL-PRF-1149D
TABLE VI.
Sampling for examination of material.
Number of rolls of sheet
Number of rolls
or strips or number of
or gaskets to
gaskets in lot
be examined
1 to 15
All
16 to 40
15
41 to 65
25
66 to 110
35
111 to 300
50
301 to 800
75
801 and over
110
4.3.1.3 Sampling for tests. Representative samples shall be taken at random
from each lot that passes the examination of 4.3.2 in sufficient quantity to conduct
the conformance tests (see table V). If the items are of such size or shape that
test specimens cannot be prepared from them, a substitute sample shall be provided
in the form of a piece or pieces of rubber having dimensions appropriate to the
tests required.
4.3.2
Examination.
4.3.2.1 Examination of material. Each of the samples taken as specified in
4.3.1.2 shall be subject to surface examination for workmanship, dimensions, and
tolerances and for all other requirements for which test methods are not specified.
Thickness shall be measured in accordance with ASTM F 104. Visual defects shall be
determined and evaluated in accordance with MIL-STD-289, MIL-STD-298, and
MIL-STD-407. A major defect is a defect that is likely to result in failure, or to
reduce materially the usability of the unit of product for its intended purpose. A
minor defect is a defect that is not likely to materially reduce the usability of
the unit of product for its intended purpose, or is a departure from established
standards having little bearing on the effective use or operation of the unit. The
material shall also be examined for the items in table VII.
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