DLA A-A-50115 B-2000 PITON MOUNTAIN CLIFFHANGER《可挂悬崖的登山锥》.pdf
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1、INCH-POUNDA-A-50115BSeptember 26, 2000SUPERSEDINGA-A-50115AFebruary 21, 1990COMMERCIAL ITEM DESCRIPTIONPITON, MOUNTAIN, CLIFFHANGERThe General Services Administration has authorized the use of this Commercial ItemDescription for all Federal agencies.1. SCOPE. This commercial item description covers
2、the requirements for thecliffhanger pitons to be used to provide direct aid for personnel in operations involvingsteep ascents by hooking the cliffhanger piton on rock edges and flakes.2. CLASSIFICATION. The cliffhanger mountain pitons shall be of one type and size.3. SALIENT CHARACTERISTICS.3.1 Des
3、ign and construction. The cliffhanger piton shall be heat-treated 4130 steel. Thepitons shall be capable of withstanding a force of 600 pounds when tested as specified in3.3. The finish shall be black oxide. The maximum weight shall be 1.5 ounces. Themanufacturers identification symbol shall be perm
4、anently marked on the pitons. Thepitons shall be similar to figure I, which is for illustrative purposes only and is notintended to preclude procurement of pitons otherwise meeting all the requirements of thisdocument.3.2 Dimensions. The thickness of the piton shall be 0.125 + 0.004 inch overall exc
5、eptthe end of the hook shall be tapered. The hook end shall have a radius of 0.750 + 0.062inch. The base of the cliffhanger shall be curved to create a bipod base. The curvedwidth of the base shall be 1.125 + 0.040 inches tapering uniformly to a width of 0.420 +0.020 inch at the end of the hook. The
6、 base shall have two holes. A large hole of 0.370 +0.020 inch diameter at the base and a smaller hole of 0.330 + 0.020 inch diameter locateddirectly above the large hole. The maximum length from the top of the hook to the baseshall be 3.5 inches.Beneficial comments, recommendations, additions, delet
7、ions, clarifications, etc. and any data whichmay improve this document should be sent to: Defense Personnel Support Center, Clothing andTextiles Directorate, Attn: DSCP-COET, 700 Robbins Ave, Philadelphia, PA 19111-5096.AMSC N/A FSC 8465Provided by IHSNot for ResaleNo reproduction or networking perm
8、itted without license from IHS-,-,-A-A-50115B23.3 Testing. The cliffhanger piton shall be pull tested by hanging the piton on a 90-degree fixed corner. A 600-pound force shall be applied downward using a hook or linkhaving a diameter of 3/8 + 1/32 inch. Any piton that fails to withstand a minimum fo
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