MIL-DTL-21115L
3.10 Marking. The back of the cloth shall be marked "Back" at both ends of each roll with
letters not less than 1/2 inch in height (see 4.3.3.3). The marking shall be clearly legible in any
indelible marking medium used commercially.
3.11 Workmanship. The finished cloth shall conform to the quality established by this
document. The demerit points per 100 square yards when calculated as specified in Section 4
shall not exceed the established maximum acceptable point value.
4. VERIFICATION
4.1 Classification of inspection. The inspection requirements specified herein are classified
as follows:
a. First article inspection (see 4.2).
b. Conformance inspection (see 4.3).
4.2 First article inspection. A first article, submitted in accordance with 3.1, shall be
inspected, examined for color, shade and defects and tested for the characteristics as specified in
Table III.
4.3 Conformance inspection. Conformance inspection shall include the examination of
4.3.1.1 through 4.3.4 and the tests in Table III 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 materials 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.
4.3.1.1 Wool grade examination. The wool shall be examined for grade (see 3.4.1.1) in the
undyed top form by comparison with the applicable U.S. Standard (see 2.2.2). In the event of a
dispute, the wool grade shall be determined by the width method (wedge). The sample unit shall
be 1 yard or top, prior to dyeing and to blending with polyester fibers. The sample size (number
of sample units) shall be as listed below. The lot size shall be expressed in units of one pound
and the results from each sample unit shall be reported separately. The lot shall be unacceptable
if a single sample unit fails to meet the required grade.
Lot size (pounds)
Sample size (sample units
800 or less
2
801 up to and including 22,000
3
22,001 and over
5
8
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