DLA A-A-52044-1992 POLE RANGE METAL WITH CASE《带盒式金属视距尺》.pdf
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1、A-A-52044 66 R 9999974 0063702 O R A-A-52044 January 3, 1992 . COMMERCIAL ITEM DESCRIPTION POLE, RANGE, METAL, WITH CASE The General Services Administration has authorized the use of this commercial item description in preference to Military specification MIL-P-20192D. This description covers one ty
2、pe of range pole containing two sections of steel tubing. The assembled length of the range pole is 6.50 feet, Its intended use is to present a view for an instrument operator sighting a straight, relatively narrow line extending vertically above the point which marks a survey station. Salient chara
3、cteristics: Design: Range Dole fabrication. The range pole shall be as specified herein. The range pole shall consist of two sections of steel tubing, a 3,50 to 6.0-inch hardened steel point and a carrying case. be made of two sections of steel tubing of nominal 1.125-inch outside diameter and of no
4、minal 0.032-inch wall thickness. shall be 6.50 feet, including a hardened steel point permanently fastened to the lower end. The steel point shall be concentric to the centerline of the pole within 0.050-inch. The construction of the telescopic sleeve joining the upper and lower sections shall be su
5、ch that both sections of the pole are the same length. A spring catch, bayonet joint or 5/8 x 11 screw joint shall be provided to lock the two sections rigidly together. The range pole shall The assembled length Carryinn - case. The two sections of the pole shall be fitted to a two - pocket carrying
6、 case made of cotton duck cloth plied-yarns unbleached with a minimum weight per square yard 8.25 ounces for the body of the case and i8.48 ounces for the reinforcing duck at the closed end, The ,reinforcing duck shall be one piece wrapped around the outside bottom of the case body. and buckle to co
7、mpletely enclose and hold the sections. The case, with the flap in the closed position, shall be not less than 42 inches long. The open end shall be provided with a strap, flap, Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any other data which may improve this
8、 document should be sent by letter to: Commander, US Army Belvoir Research, Development, and Engineering Center, ATTN: STRBE-TSE, Fort Belvoir, VA 22060-5606. AMSC N/A FSC 6675 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduct
9、ion or networking permitted without license from IHS-,-,- _ A-A-52044 66 I 9999774 0063703 2 E A-A-52044 Each of the two pockets shall have a width and depth of not less than 1.125 inches to accommodate the two range pole sections snugly, but without binding, The webbing shall be medium weight hard
10、texture, width .75-inch, shall be used as binding around all edges, including the pocket opening the case. The cotton duck webbing shall be dyed light green and treated for mildew resistance. Identification marking. The pole and case shall be identified with the manufacturers identification. Treatme
11、nt and painting. The pole shall be treated and painted. The finish coat shall be as follows: The upper 12 inches of the pole shall be painted red or orange and the remainder shall be painted in alternating white and red or orange horizontal bands 12 inches long, except that the point at the lower en
12、d shall be painted black. The edges of the ring shall be normal to the axis of the pole. Materials: Material shall be as specified herein. Metal. The metal shall be corrosion resistant or coated to be made corrosion resistant. WorkmanshiD: All parts, components, and assemblies of the range pole shal
13、l be clean and free from sand, dirt, fins, pits, sprues, scale, flux, and other harmful extraneous material. Certification of commercial item. The contractor shall certify that the product offered to the Government meets the salient characteristics of this description and that the product conforms t
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