MIL-W-90490
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2.3 Order of precedence. In the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulation unless a specific exemption has been obtained.
3. REQUIREMENTS
3.1 Design and construction
3.1.1 Physical properties. The finished webbing shall conform to table I and 3.1 through 3.6.
TABLE I. Physical properties of the finished webbing.
Characteristic |
Requirement |
Yarn ply Warp, (min) Filling, (min) Yarn twist, turns per inch Warp, (min) Filling, (min) Breaking strength, lb. (min) Elongation, percent (min) Picks per inch, (min) Lengths of loop (inches) Loop strength, lb. (min) 1/ Warp ends, total (min) Weight, oz. per linear yd,(max) Width, inches |
1 2 4-Z 2.5-S 400 20 60 1/4 + 1/16 185 1'80 0.22 1/4 + 1/16 |
1/ No break on any one specimen shall be lower than the minimum specified. |
|
3.1.2 Yarn. The yarn shall be a bright, high tenacity, light and heat resistant polyamide
(see 3.2.1) prepared from hexamethylene d0iamine a0nd adipic acid or its derivates. It
shall have a minimum melting point of 472
F (244.4
C). The yarn shall not be bleached
in any manner or in any subsequent process.
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