MIL-DTL-24050E
STANDARDS
FEDERAL
FED-STD-191
- Textile Test Methods.
(Unless otherwise indicated, copies of the above specifications, standards and handbooks are available from the
Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.)
2.3 Non-Government publications. The following document(s) form a part of this document to the extent
specified herein. Unless otherwise specified the issues of the documents which are DOD adopted are those listed in
the issue of the DoDISS cited in the solicitation. Unless otherwise specified, the issues of documents not listed in
the DoDISS are the issues of the documents cited in the solicitation. (see 6.2)
AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM)
D 885 - Standard Methods of Testing Tire Cords, Tire Cord Fabrics, and Industrial
Filament Yarns Made from Man-Made Organic-Base Fibers.
D 1141 - Standard Specification for Substitute Ocean Water. (DoD Adopted)
D 1577 - Standard Test Methods for Linear Density of Textile Fibers
D 2257 - Standard Test Method for Extractable Matter in Yarns.
D 2258 - Standard Practice for Sampling Yarn for Testing.
(Application for copies should be addressed to American Society for Testing and Materials, 100 Barr Harbor
Drive, West Conshohocken, PA 19428-2959).
2.4 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 regulations unless a specific exemption has been obtained.
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REQUIREMENTS
3.1 First article. When specified (see 6.2), a sample shall be subjected to first article inspection (see 6.4) in
accordance with 4.2.
3.2 Other identification and put-up. Unless otherwise specified, the requirements specified herein apply to
double-braided nylon ropes purchased as a component for an end item by a contractor and to double braided nylon
ropes purchased directly by the government, except that the requirements specified in 3.9 and 3.10 apply only to
double braided nylon ropes purchased directly by the government.
3.3 Materials. The inner and outer braids shall be fabricated from bright, white, virgin, continuous filament,
heat and light resistant nylon fiber. The nylon shall be a long chain polymer made of hexamethylene diamine and
adipic acid, or a long chain polymer of epsilon amino caproic acid. The average fiber linear density per filament
shall not be less than 5.0 denier per filament or more than 20 denier per filament. The fiber tenacity shall not be
less than 8.0 grams per denier (see 4.3.1).
3.3.1 Fiber Finish. Unless otherwise specified (see 6.2), the manufacturer shall use nylon fibers with a marine
overlay finish that will ensure in the marine environment that the rope will give improved performance that is
better than that of rope made of fibers without a overlay finish. The overlay finish must be highly water insoluble,
must resist wash off due to contact with water, and have long term durability with respect to evaporation and
reaction with ordinary outdoor marine environments. The finish shall improve the ability to
resist internal fiber-to fiber abrasion and external abrasion (see 4.3.1). The overlay finish provided shall not
violate any other requirement of this specification.
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