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		                        | National Stock Number:
 3020-00-231-8725
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 002318725
 
 Description:
 LINK,ROLLER CHAIN
 
 Detail:
 AN ASSEMBLED UNIT OF A CHAIN, ROLLER CONSISTING OF SIDE PLATES, ROLLER(S), BUSHING(S), OR PIN(S). IT MAY BE A SINGLE OR DOUBLE PITCH. LINKS CONTAINING BUSHINGS WITHOUT ROLLERS SHALL BE AS DESIGNATED BY THE AMERICAN NATIONAL STANDARDS INSTITUTE AS "ROLLER CHAIN." EXCLUDES LINK, CHAIN (AS MODIFIED); AND PULLEY, SASH.
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 Manufacturer Information:
 
 | SINGLE449 | 72625 | DIAMOND CHAIN CO DIV OF AMSTED INDUSTRIES INC | 
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 Techincal Specification:
 
 | LINK NOMINAL WIDTH BETWEEN PLATES | 0.5350 INCHES |  | LINK PIN NOMINAL DIAMETER | 0.2000 INCHES |  | LINK PLATE NOMINAL THICKNESS | 0.0800 INCHES |  | LINK PLATE WIDTH | 0.512 INCHES NOMINAL |  | LINK ROW QUANTITY | 1 |  | LINK STYLE | PIN |  | MATERIAL | STEEL |  | PIN FASTENING METHOD | RIVETED |  | PIN OVERALL LENGTH | 0.8300 INCHES NOMINAL |  | MINIMUM TENSILE STRENGTH | 660 POUNDS PER SQUARE INCH |  | NOMINAL PITCH DISTANCE | 0.625 INCHES | 
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