DLA A-A-59857-2010 ANCHOR SNOW.pdf
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1、 A-A-59857 11 January, 2010 COMMERCIAL ITEM DESCRIPTION ANCHOR, SNOW This commercial item description is approved for use by the Defense Supply Center, Philadelphia and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE. This commercial item description cover
2、s the requirements for snow anchors which are used for protecting climbers on steep snow routes by pounding the anchor into the snow or using as a deadman. 2. CLASSIFICATION. The snow anchors will be furnished in the following types and will meet the size and physical requirements of Table I. 2.1 Ty
3、pes: Type I Picket Type II Fluke 2.1.1 Type I. The picket will be constructed and comply with the sizes and requirements in Table I. TABLE I. Physical characteristics Type I (inches) 2.1.2 Type II. The fluke shall be sized in accordance with International Mountaineering and Climbing Federation (Unio
4、n Internationale des Associations dAlpinisme) - UIAA -154 Standard. 2.2 Sizing. The sizes will be defined by Type in 2.1.1 and 2.1.2 while meeting the standards in this description Comments, suggestions, or questions on this document should be addressed to: Defense Supply Center Philadelphia, Clothi
5、ng and Textiles Directorate, Attn: DSCP Standardization Team, 700 Robbins Avenue, Philadelphia, PA 19111-5096. Since contact information can change, you may want to verify the currency of this address information using Acquisition Streamlining and Standardization Information System (ASSIST) online d
6、atabase at http:/assist.daps.dla.mil/ . AMSC N/A FSC 8465 Picket Size Length, .25 inches Strength, kN Weight, Grams, 10% I 24 6 389 II 36 6 525 METRIC Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59857 2 3. SALIENT CHARACTERISTICS. The snow an
7、chor design shall provide ease of use with typical combat gloves and be as lightweight as possible, while meeting the standards in this description. 3.1.1 Type I. The picket shall be a T-shaped bar with a flange for reinforcement (modified T shape). The center portion of the shaft shall include atta
8、chment points sized to fit all types of carabiners in A-A-59836. The holes shall be evenly spaced along the length of the picket every 3 (+ .5) inches and reamed with no sharp edges. Both ends of the picket should be cut back in a slight V shape for ease of placement in snow. 3.1.2 Type II. The fluk
9、e shall be of a rectangular design with one end cut back in a V-shape. There shall be a wire sling for attaching carabiners to approximately center of mass on the body of the fluke. The wire sling should allow for a self-equalizing angle of inclination in the snow. The angle should not be fixed. The
10、 wire sling shall include a swaged loop for attaching all types of carabiners in A-A-59836. The fluke shall have holes in the body to provide “bite” on the snow. The wire sling shall extend between 60 centimeters and 120 centimeters. The fluke shall bend back away from intended direction of pull, al
11、ong its vertical axis, to provide stability in the snow. The top of the fluke shall have a stainless steel strike plate for protection when being placed. All swages should be protected with a plastic coating or sleeve. The main body shall have recessed notches for wrapping the wire sling around for
12、storage. 3.2 Color. The snow anchor shall be provided in a low reflectance, matte finish and provide low contrast with typical use terrain unless otherwise specified in the solicitation or contract order (see 7.2). 3.3 Materials. 3.3.1 Basic material The snow anchor shall be constructed of 6061-T6 a
13、luminum. 3.3.2 Sling material. Type II only. The wire sling shall be 4 millimeter (7X19) galvanized wire. 3.4 Tests. 3.4.1 Type I. The picket shall support a load of 6kN or greater when tested as follows: 3.4.1.1 Support the picket on the load bearing, snow contacting surfaces (the underside of the
14、top of the tee) with the gap between the supports equal to 15”. 3.4.1.2 Position the picket so that one anchor hole is centered in the 15” opening. 3.4.1.3 Apply a load to the center hole perpendicular to the length of the picket using a ” diameter pin through the hole. 3.4.2 Type II. The snow ancho
15、r shall meet International Mountaineering and Climbing Federation (Union Internationale des Associations dAlpinisme - UIAA) Standard 154 design and strength requirements. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59857 3 3.5 Workmanship. Th
16、e finished anchor snow shall conform to the quality of product established by this document. The occurrence of defects shall not exceed the contractors own quality assurance standards and the quality assurance standards defined in the technical data in the solicitation and/or contract. 3.6 Service l
17、ife. The snow anchor shall have no unexpected material or component failures during a continuous one-year cycle. The snow anchor shall have no unexpected material or component failures during periodic use over a five year period. 3.7 Labels/barcoding/instruction slip. If applicable, all labeling, ba
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