MIL-DTL-24677B
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-
5096.)
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 these 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 Textiles. (DoD Adopted)
D 2258 - Standard Practice for Sampling Yarn for Testing.
(Application for copies should be addressed to the 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 takes precedence.
Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has
been obtained.
3.
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 (see 6.2), the requirements specified in 3.9
and 3.10 apply to double braided polyester ropes purchased directly by the Government. Other requirements apply
to double braided polyester ropes purchased as a component for an end item by a contractor and to double braided
polyester 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 polyester fiber. Polyester fiber is a long chain synthetic polymer composed, at least 85
percent by weight, of an ester of a substituted aromatic carboxylic acid, including but not restricted to substituted
terephthalate units and parasubstituted hydroxybenzoate units. The average fiber linear density per filament shall
not be less than 5.0 dinear 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 polyester 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 the rope made of fibers without an 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 4.4.1). The overlay finish provided shall not violate any other
requirements of this specification.
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