MIL-DTL-12995E
4.3 Qualification inspection. This test shall be performed at the start of production for each order for
wire under this specification and shall be as follows: Each operator required to make joints in strands
shall submit a group of 12 specimens of strand that include a joint with a specimen of adjacent normal
section of each. These specimens shall be tested for breaking strength. An operator will be considered
qualified after submitting a group of 12 specimens that meet the requirements of 3.3.2. Records of such
qualifications shall be available for verification by the Government (see 4.5.1).
4.4 Conformance inspection. Conformance inspection consists of the group A and B inspections
(see 4.4.5 and 4.4.6, respectively) specified in table I and shall be performed on specimens taken from
the finished wire of each lot of reels, spools, or coils to be delivered. Sampling inspection shall be
accomplished for each lot in accordance with 4.4.2.
TABLE I. Group A and B inspections.
Inspection
Requirement
Verification
Group A
Group B
Visual and dimensional
X
-
Continuity
X
-
Tensile strength
-
X
Elongation
-
X
4.4.1 Lot. A lot shall consist of all wire manufactured under substantially the same conditions and
offered for inspection at one time.
4.4.1.1 Unit of product. A unit of product is the continuous length of wire contained on a single reel,
spool, or coil, or in a package.
4.4.1.2 Specimen. A specimen consists of the individual piece of a unit of product upon which a test
is made.
4.4.2 Sampling. A random sample shall be selected from each lot in table II.
TABLE II. Inspection sample.
1/
Inspection lot size
Sample size
1
1
2 to 8
2
9 to 90
3
91 to 150
12
151 to 280
19
281 to 500
21
501 to 1,200
27
1,201 to 3,200
36
3,201 to 10,000
38
10,001 to 35,000
46
1/ Lot size is based on the number of units of product
3
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