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		                        | National Stock Number:
 3020-00-231-8718
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 002318718
 
 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:
 
 | 60BR | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED |  | B29-1-1957TYPE60BR | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED |  | D974A1 | 30793 | INSINGER MACHINE CO |  | D974B | 30793 | INSINGER MACHINE CO |  | C323377 | 72625 | DIAMOND CHAIN CO DIV OF AMSTED INDUSTRIES INC | 
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 Techincal Specification:
 
 | LINK NOMINAL WIDTH BETWEEN PLATES | 0.6880 INCHES |  | LINK PIN NOMINAL DIAMETER | 0.2344 INCHES |  | LINK PLATE NOMINAL THICKNESS | 0.0938 INCHES |  | LINK PLATE WIDTH | 0.615 INCHES NOMINAL |  | LINK ROW QUANTITY | 1 |  | LINK STYLE | PIN |  | MATERIAL | NICKEL ALLOY |  | PIN FASTENING METHOD | COTTER PIN |  | MINIMUM TENSILE STRENGTH | 4700 POUNDS PER SQUARE INCH |  | NOMINAL PITCH DISTANCE | 0.750 INCHES | 
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