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		                             National Stock Number: 3020-01-046-0008
  Federal Supply Class: 3020
  National Item Identification Number: 010460008
  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:
 | 35BS12X3/4 | 05506 | MARTIN SPROCKET AND GEAR INC |  | H3512X3/4 | 71176 | EMERSON ELECTRIC CO BROWNING MFG DIV |  | ST9M481-12-6 | 11406 | REXNORD HOLDINGS INC |  | ST9M481-12-6 | 76301 | THE BOEING COMPANY |  | ST9M481-12-6 | 81733 | FMC CORP CHAIN DIV |   
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  Techincal Specification:
 | DESIGN FORM | PLAIN |  | TEETH ROW QUANTITY | 1 |  | TEETH QUANTITY PER ROW | 12 |  | TOOTH PITCH | 0.375 INCHES NOMINAL |  | STYLE DESIGNATOR | PLAIN |  | OUTSIDE DIAMETER | 1.630 INCHES NOMINAL |  | OVERALL LENGTH | 0.750 INCHES NOMINAL |  | PITCH DIAMETER | 1.449 INCHES NOMINAL |  | FACE WIDTH | 0.168 INCHES NOMINAL |  | HARDNESS RATING TEST METHOD | ROCKWELL |  | TEETH HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND |   | 40.0 ROCKWELL C MAXIMUM |  | PROTRUDING HUB CHARACTERISTIC | PLAIN |  | HUB OUTSIDE DIAMETER | 1.219 INCHES NOMINAL AA END |  | DISTANCE FROM HUB END TO FLANGE END | 0.582 INCHES NOMINAL AA END |  | SECURING METHOD | SETSCREW |  | SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL |  | CRITICALITY CODE JUSTIFICATION | FEAT |   
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