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		                             National Stock Number: 3020-00-517-2398
  Federal Supply Class: 3020
  National Item Identification Number: 005172398
  Description: SPROCKET WHEEL
  Detail: A toothed wheel whose teeth or sprockets are designed to be engaged with the links of a pitch chain, track, or the like. It is usually used for transmitting power. 
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  Manufacturer Information:
 | 078361 | 31974 | HOFFMAN/NEW YORKER, INC. |   
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  Techincal Specification:
 | DESIGN FORM | PLAIN |  | TEETH ROW QUANTITY | 1 |  | TEETH QUANTITY PER ROW | 24 |  | TOOTH PITCH | 0.625 INCHES NOMINAL |  | MATERIAL | STEEL |  | STYLE DESIGNATOR | PLAIN |  | OUTSIDE DIAMETER | 5.082 INCHES NOMINAL |  | OVERALL LENGTH | 1.125 INCHES NOMINAL |  | PITCH DIAMETER | 4.788 INCHES NOMINAL |  | FACE WIDTH | 0.343 INCHES NOMINAL |  | ASA STANDARD CHAIN NUMBER | 50 |  | HARDNESS RATING TEST METHOD | NOT RATED |  | BORE TYPE | STRAIGHT |  | BORE DIAMETER | 1.250 INCHES NOMINAL |  | BORE LENGTH | 1.125 INCHES NOMINAL |  | KEYING FACILITY TYPE | KEYWAY |  | QUANTITY | 1 |  | KEYWAY WIDTH | 0.250 INCHES NOMINAL |  | DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY | 0.875 INCHES NOMINAL |  | PROTRUDING HUB CHARACTERISTIC | PLAIN |  | HUB OUTSIDE DIAMETER | 3.500 INCHES NOMINAL AA END |  | FURNISHED ITEMS | KEYING FACILITY |  | DISTANCE FROM HUB END TO FLANGE END | 0.782 INCHES NOMINAL AA END |  | SECURING METHOD | THREADED HOLE |  | SECURING LOCATION | AA END |  | SECURING HOLE QUANTITY | 1 |  | THREAD SIZE | 5/16-18 |  | HOLE LOCATION | LOCATED ON TOP OF KEY |   
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