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		                        | National Stock Number:
 4130-00-277-3862
 
 Federal Supply Class:
 4130
 
 National Item Identification Number:
 002773862
 
 Description:
 PIN,PISTON
 
 Detail:
 A CYLINDRICALLY-SHAPED METAL ITEM, USUALLY TUBULAR, DESIGNED TO FORM A PIVOTING CONNECTION BETWEEN THE PISTON AND CONNECTING ROD OF AN INTERNAL COMBUSTION ENGINE, COMPRESSOR AND LIKE ITEMS. MAY INCLUDE OIL SEALING OR PIN RETAINING PLUGS. EXCLUDES BUSHING, SLEEVE; PIN, GROOVED, HEADLESS; PIN, STRAIGHT, HEADLESS; AND PIN, HOLLOW.
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 Techincal Specification:
 
 | BODY LENGTH | 5.6250 INCHES NOMINAL |  | BODY STYLE | PLAIN ENDS |  | BORE DIAMETER | 1.1250 INCHES NOMINAL |  | BORE STYLE | STRAIGHT-THRU BORE |  | CASEHARDENING INDICATOR | CASEHARDENED |  | DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN | 0.812 INCHES NOMINAL |  | HOLE DIAMETER | 0.3906 INCHES NOMINAL |  | HOLE ARRANGEMENT STYLE | ONE HOLE THRU ONE SIDE OF BORE |  | HOLE DEPTH | 0.3125 INCHES NOMINAL |  | OUTSIDE DIAMETER | 1.74950 INCHES MINIMUM AND 1.75000 INCHES MAXIMUM |  | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-890, CLASS AN MIL SPEC SINGLE MATERIAL RESPONSE |  | MATERIAL | STEEL |  | METALLIC HARDNESS RATING | 57.0 MINIMUM ROCKWELL C AND 63.0 MAXIMUM ROCKWELL C | 
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