MIL-PRF-43473G
3.6 Pattern execution, type III and type IV. The pattern shall reproduce the design as
depicted on Drawing 2-1-1516B (type III) and 2-1-2240 (type IV) for design registration,
color placement and pattern repeat. The pattern repeat for the type III cloth shall be 27.25
+2.00 -2.50 inches in the warp direction. The pattern repeat for the type IV cloth shall be
16.75 +1.25 -1.75 inches in the warp direction (see 4.4.13).
3.7 Toxicity. The cloth shall not be toxic to the skin or eyes when used as intended (see
4.4.14).
3.8 Mildew resistance. The cloth shall be mildew resistant. If plastizers are used they should
be restricted to phosphate or pthalate esters for the purpose of providing mildew resistance. A
certificate of compliance will be acceptable for this requirement (see 4.4.15).
3.9 Face side identification. The face side of the waterproof cloth shall be identified by
applying a stamping on that side of the cloth with the word "Face" on each end of each
individual piece.
3.10 Fiber identification. When applicable, each roll shall be labeled and ticketed for fiber
content in accordance with the Rules and Regulations Under the Textile Fiber Products
Identification Act.
3.11 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or
environmentally preferable materials should be used to the maximum extent possible
provided that the material meets or exceeds the operational and maintenance requirements,
and promotes economically advantageous life cycle costs.
4. VERIFICATION
4.1 Classification of inspections. 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. When a first article is required (see 6.2) it shall be examined for
the defects listed in 4.3.1 and shall be tested for the characteristics specified in Table IV.
4.3 Conformance inspection. Sampling for inspection shall be as specified in the contract or
purchase order.
4.3.1 End item examination.
4.3.1.1 Yard by yard examination. During the yard by yard examination, each roll in the
sample shall be examined for the effects specified in Table III. The yardage of each roll in the
sample shall be examined on both sides. The yardage shall be given a through-light
inspection for pinholes and thin areas. The through-light inspection shall be performed in
accordance with MIL-STD-1487. The defects found shall be counted regardless of their
proximity to each other, except where two or more defects represent a single local condition
of the cloth, in which case only one defect shall be counted. A continuous defect shall be
counted as one defect for each warpwise yard or fraction thereof in which it occurs. The
sample unit shall be one linear yard.
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