MIL-DTL-87161F
4.2.1.1 Lot. A qualification inspection lot shall consist of 50 feet of wire strand of the
same construction and diameter produced continuously by one machine or by one series of
progressive processing machines.
4.2.2 Qualification testing. The qualification tests shall include all of the examinations
and tests as specified in table II.
4.2.3 Maintenance of qualification. To maintain qualification, the manufacturer must be
able to demonstrate that the company still has the capabilities and facilities necessary to produce
the items. The qualifying activity will request appropriate documentation demonstrating this
capability at the time qualification retention is required (at least 2-year intervals).
4.3 Conformance inspection. Conformance inspection shall consist of individual tests
4.3.1 Individual tests. Each wire strand of each construction furnished under each
4.3.2 Sampling plan.
4.3.2.1 Samples. When conducting the tests specified herein, one sample not less than
15 feet in length shall be taken after any discard has been removed from the head or starting end
of the manufacturing reel for each lot of wire strand.
4.3.2.2 Lot. A lot shall consist of not more than 30,000 feet of wire strand of the same
construction and diameter produced continuously by one machine or by one series of progressive
processing machines.
4.3.2.3 Specimen. A specimen is a section of wire strand cut from a sample for the
performance of a testing method. All specimens shall be taken from the lot furnished under that
specific order.
4.3.3 Sampling tests. The conformance sampling tests shall be performed in accordance
with the following paragraphs:
Examination of product (4.4.1).
a.
b.
Breaking strength (4.4.2).
c.
Stretch test (4.4.3).
d.
e.
Adherence of coating (4.4.5).
f.
Ductility of steel (4.4.6).
g.
Weight of zinc coating, composition A (4.4.7).
Conformance test to preforming of strand (4.4.8).
h.
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