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		                             National Stock Number: 3020-00-541-7419
  Federal Supply Class: 3020
  National Item Identification Number: 005417419
  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:
 | 25B9 1-4B0RE | 05506 | MARTIN SPROCKET AND GEAR INC |  | 25B9 1-4B0RE | 72625 | DIAMOND CHAIN CO DIV OF AMSTED INDUSTRIES INC |  | 25B9 1-4BORE | 05506 | MARTIN SPROCKET AND GEAR INC |  | 89B9 | 72625 | DIAMOND CHAIN CO DIV OF AMSTED INDUSTRIES INC |   
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  Techincal Specification:
 | DESIGN FORM | PLAIN |  | TEETH ROW QUANTITY | 1 |  | TEETH QUANTITY PER ROW | 9 |  | TOOTH PITCH | 0.250 INCHES NOMINAL |  | MATERIAL | STEEL |  | STYLE DESIGNATOR | PLAIN |  | OUTSIDE DIAMETER | 0.840 INCHES NOMINAL |  | OVERALL LENGTH | 0.500 INCHES NOMINAL |  | PITCH DIAMETER | 0.730 INCHES NOMINAL |  | FACE WIDTH | 0.110 INCHES NOMINAL |  | SURFACE TREATMENT | CADMIUM |  | ASA STANDARD CHAIN NUMBER | 25 |  | HARDNESS RATING TEST METHOD | NOT RATED |  | BORE TYPE | STRAIGHT |  | BORE DIAMETER | 0.250 INCHES NOMINAL |  | BORE LENGTH | 0.500 INCHES NOMINAL |  | PROTRUDING HUB CHARACTERISTIC | PLAIN |  | HUB OUTSIDE DIAMETER | 0.438 INCHES NOMINAL BOTH ENDS |  | DISTANCE FROM HUB END TO FLANGE END | 0.390 INCHES NOMINAL BOTH ENDS |  | SECURING METHOD | THREADED HOLE |  | SECURING LOCATION | AA END |  | SECURING HOLE QUANTITY | 1 |  | THREAD SIZE | 6-32 |  | HOLE LOCATION | ONE LOCATED ON SIDE OF HUB |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 05506 |  | DESIGN CONTROL REFERENCE | 25B9 1-4BORE |   
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