DLA A-A-52070 A-2003 CORD PLUMB BOB《铅锤线》.pdf

1、A-A-52070A19 AUGUST 2003SUPERSEDINGA-A-5207023 April 1990COMMERCIAL ITEM DESCRIPTIONCORD, PLUMB BOBThe General Services Administration hasauthorized theuse of thisCommercial item Description forall Federal Agencies.1. SCOPE. This Commercial item Description (CID)is inpreference to MlL-C-43258.2. SAL

2、IENT CHARACTERISTICS2.1 Descrbtion. The braided cord shall be fabricated from nylon, polyester, or flax fibers to meetthephysical properties specitledin table I, If fabricated from flax fibera, thecord shall have a hardpolished, smooth dressed finish, Thecord shall benatural white ororange in color.

3、TABLE I, Phvsical requirements for braided glumb bob cord,Characteristics Requirements Test methodsNumber of individual strands (carriers) 8 MsualreCtiOn of individual strand twists 4 strands “S” tvist W+ual4 strands “Z twists VisualDiameter, inch (min.) 3/64 6002 IILength per pound, feet (min.) 1,3

4、50 6004 yBreaking strength, pounds (min.) 36 6005 1/ FED-STD-191 test method2.2 -. Thecord shall be furnished withoot knots orsplicesin25l yard lengths and shall beputupon pressed wood fiberboard (tempered cardboard), plastic, orwoodsurveyors blocks(winders) measuring approximately 2-3/8 by43/4 inch

5、es overall. Each length ofcordshalibecontinuous throughout, shall contain noloose ends andshall bewound sothateach turn and layeris free from entanglement.Beneficial comments, recanmendations, additions, deletions, clarifications, etc., and data whichmayimprove this document should besentto Defense

6、Supply Center Philadelphia, ATTN: DSCP-lTD,700Robbins Avenue, Philadelphia, PA 19111-5096,ASMC NIA FSC 4020DISTRIBUTION STATEMENTA. Approved forpublic release; distribution is unlimited.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-52070A3. QUA

7、LITY ASSURANCE PROWSIONS3.1 CerMication. Thecontractor shall cefi broken or loose end or strand; unevenly braided resulting inopen place, break incontinuity of braid, orsoftspoL finish other than specified color otherthan specified; not put-up as specified.The lot size shall be expressed in units of

8、 blocks (winders), and the sample unit shall be one block(winder). Theinspection level shall beIl,3,4 Dimensional examination. The finished cord shall remeasured forthedimensions specified intable. Thelotsize shall reexpressed inunits of blocks (winders), andthesample unit shall beone block (winder)

9、. The inspection Ievel shall be S-3.4. PACKAGING4.1 Packaaing. Fourty-eight blocks (winders) of cord shall be unit packed in a snug fittingfiberboard box conforming to style RSC, type CF, claas domestic, grade 275 of PPP-B-636. theapproximate inside dimensions of the box shall be 14-1/2 inches in le

10、ngth, 91/2 inches in width,and 7-1/2 inches in depth. Approximate dimensions shall be furnished as a guide only,4.2 =. One hundred ninety-two blocks (winders) of cord, unit packed as specified, shall bepacked in a snug titing RSC style corrugated fiberboard shipping container. The approximateinside

11、dimensions of the shipping container shall be 19 inches in length, 15 inches in width and 15inches in depth. Approximate dimensions are furnished as a guide only, Each shipping containershall be closed in accordance with ASTM D1974, Section 6, Methods of Box Closure, para. 6,2,Closure Methods for Re

12、gular Slotted Containers.4.3 Palletization. When specified (see 5.2 ) plumb bob cord, packed as specified, shall bepalletized on a 4-way entry pallet in accordance with load type 1a of MI L-H DBK-774. Eachprepared load shall be bonded by means C and D, or F and C, and pallet pattern shall be number

13、4in accordance with MIL-HDBK-774,4.4 NJ.Jog. In addition to any special marting required by the contractor purchase order, unit packs,shipping containers, and palletized unit loads shall be marked in accordance with MlL-STD-l 29,2Provided by IHSNot for ResaleNo reproduction or networking permitted w

14、ithout license from IHS-,-,-A-A-52070A5. NOTES5.1 Intended use. The cord is intended for for plumb bob use on surveying equipment.5,2 Orderina data Acquisition documents must specify the following:a. Ttle, number, and date of this document.b. When palletization is required (see 4.3).5,3 Sources of d

15、ocuments.5,3.1 Source for Government documents. Copies of military and Federal documents are available from:Customer Semite, Defense Printing Service Detachment Once700 Robbins Avenue, Building 4DPhiladelphia, PA 19111.50945.3.2 Source of Information for nongovernmental document. Copies of ASTM DI 9

16、74, Fiberboard Boxes,Methods of Closing, Sealing, and Reinforcing, are available from:American Society for Testing Materials100 Barr Harbor DriveWest Conshohocken Pa 19428-2959MILITARY INTEREST CIVIL AGENCY COORDINATING ACTIVITY:GSA - FSSCustodans:Army - GL Preparing Activity:Navy MC DLA ISReview activities: Project 4020-0419Army - MD3Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-