1、9 December 1960 SUPERSEDING . MIL-C-22521(CG) 2 June 1960 MILITARY SPECIFICATION CHAIN: 0PE;N LINK, STEEL, WELDED (For Mooring Buoys) 1. SCOPE 1.1 Scope.- This specification covers chain of the open link pattern, used for mooring buoys in coastal and inlandwaterways, 1.2 Classification.- Chain shall
2、 be of one type, one grade, and the following sizes, as specified (see 6.1): Sizes: 1/2 inch; 5/8 inch; 3/4 inch; 7/8 inch; 1 inch; 1-1/8 inch; 1-1/4 inch; 1-1/2 inch; 1-5/8 inch; 1-3/4 inch; 1-7/8 inch. 2 APPLICABLF, DOCUMENTS 2.1 The following documents, of the issue in effect on date of. invitati
3、on for bids, form a part of this specification to the extent specified herein : SPECIFICATIONS Military MILD-16974 - Steel Bars, Billets, Blooms and Slabs, Carbon and Alloy (For reforging or other operations before Heat Treatment ) , a (Copies of specifications required by contraatora in connection
4、with specific procurement hinctions should be obtained from the procuring agency or as directed by the contracting officer,). 2.2 ther publications.- The following document forms a pari of this specification. on dateof invitation for the bids shall apply. Unless otherwise indicated, the issue in eff
5、ect OFFICIAL CLASSIFICATION COMMITTEE Uniform Weight Classification Bulea (Application for copies should be addrbssed to the Official Classification Committee, 1 Park Avenue at 33rd St. New York 16, N, Y.) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-
6、,-,-3.2 Design,- Unless otherwise specified, each length of chain shall be composed of common links with an end link attached to each end. common linke and enlarged end linke shall be of the ohape and proportions shown on Figure 1. The COMMON LINK I t E . . LENGTH OF SIX COhMON LINKS. figure 1 3.3 i
7、nal dimnsibns o links far chain of various d chain shall be plus 1/32! or minus 0% sirtes sh 1 arad Tatjle I. Permissible variations in -the diamter of Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- flIL-C-2252LA 40 9999906 020366L 5 m MILC-22521A(
8、 CG) TABLE I - LINK DIMENSIONS (INCHES) (SEE FIG. 1) CONNON LINKS Wire Length diamet er 1/2 3 5/8 3-3/4 3/4 . 442 7/8 !WS, 1 6 148 and the fact that the Government may have formulated, furnished, or in any way supplied the said drawings, specifications, or other data, is not to be regarded by implic
9、ation or otherwise as in any manner licensing the holder or ariy other person or corporation, or conveying any rights or permission ta manufacture, use, or sell any patented invention that may in any way be related thereto. Preparing Activity: U, S. Coast Guard * Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
