DLA A-A-50111 C-2000 PITON MOUNTAIN FLAT《平登山锥》.pdf
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1、I INCH-POUND I A-A-50111C June 26,2000 SUPERSEDING February 21,1990 A-A-50111B COMMERCIAL ITEM DESCRIPTION PITON, MOUNTAIN, FLAT The General Services Administration has authorized the use of this Commercial Item Description for all Federal agencies. 1. SCOPE. This commercial item description covers
2、the requirements for pitons to be used to provide security for personnel or equipment in operations involving steep ascents by driving the pitons into cracks in rock. The type IV pitons can also be used to remove dirt and vegetation from cracks and to aid in removing wired stoppers from cracks with
3、the hook cut into the piton blade. 2. CLASSIFICATION. The flat mountain pitons shall be of the following types: Type I - 3-1/4 inches Type II - 3-3/8 inches Type III - 3-1/2 inches TypeIV - 6inches 3. SALIENT CHARACTERISTICS. 3.1 Design and construction. The pitons shall be chromium-molybdenum alloy
4、 4130 steel. The piton shall be capable of withstanding a force of 2000 pounds when tested as specified in paragraph 3.6. The finish shall be black oxide. The manufacturers identification symbol shall be permanently marked on the pitons. The pitons shall be similar to figure I, which is for illustra
5、tive purposes only and is not intended to preclude procurement of pitons otherwise meeting all the requirements of this document. Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any data which may improve this document should be sent to: Defense Personnel Support
6、 Center, Clothing and Textiles Directorate, Attn: DSCP-COET, 700 Robbins Ave, Philadelphia, PA 19111-5096. AMSC N/A FSC 8465 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-501 11C 3.2 Type I. Type I pitons shall have a blade length as measured f
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- DLAAA50111C2000PITONMOUNTAINFLAT 登山 PDF
