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		                        | National Stock Number:
 3020-00-990-6548
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 009906548
 
 Description:
 PULLEY,GROOVE
 
 Detail:
 A pulley with one or more grooved faces or rims of the same diameter. For pulleys encased in a shell or frame, see BLOCK, TACKLE.  For items specifically designed for aviation, see PULLEY(1), GROOVE, AVIATION.
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 Manufacturer Information:
 
 | 255687C | 1ML14 | BRINKLEY TECHNOLOGY GROUP LLC |  | 255687C | 28265 | HERCULES ENGINE CO INC |  | 287385AS | 1ML14 | BRINKLEY TECHNOLOGY GROUP LLC |  | 287385AS | 28265 | HERCULES ENGINE CO INC | 
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 Techincal Specification:
 
 | BEARINGS | NOT INCLUDED |  | BORE DIAMETER | 0.7447 INCHES NOMINAL |  | BORE LENGTH | 1.750 INCHES NOMINAL |  | BORE FEATURE | INCLUDED |  | BORE TYPE | STRAIGHT |  | COUNTERBORE DEPTH | 0.719 INCHES NOMINAL |  | COUNTERBORE DIAMETER | 1.0625 INCHES NOMINAL |  | COUNTERBORE FEATURE | INCLUDED |  | COUNTERBORE LOCATION | BB END |  | DESIGN FORM | WEBBED |  | DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 1.281 INCHES MINIMUM AA END AND 2.281 INCHES MAXIMUM BB END |  | FACE WIDTH | 0.750 INCHES NOMINAL |  | GROOVE QUANTITY | 1 |  | GROOVE SHAPE | V |  | GROOVE WIDTH | 0.5005 INCHES NOMINAL |  | GROOVE DEPTH | 0.563 INCHES NOMINAL |  | HOLE LOCATION | TWO HOLES ON TOP AND BOTTOM OF BORE,SPACED 1.500 IN. ON 2.00 IN. DIA BOLT CIRCLE |  | HUB END OUTSIDE DIAMETER AND LOCATION | 1.313 INCHES MINIMUM AA END AND 3.000 INCHES MAXIMUM BB END |  | INTEGRAL COOLING VANE | NOT INCLUDED |  | KEYING FACILITY | NOT INCLUDED |  | LIGHTENING HOLE | NOT INCLUDED |  | MATERIAL | IRON OVERALL |  | PITCH DIAMETER | 3.625 INCHES MINIMUM AND 4.313 INCHES MAXIMUM |  | OUTSIDE DIAMETER | 4.651 INCHES NOMINAL |  | OVERALL LENGTH | 3.031 INCHES NOMINAL |  | SECURING HOLE QUANTITY | 4 |  | SECURING LOCATION | BB END |  | SECURING METHOD | THREADED HOLE(S) |  | SPLIT HUB FEATURE | NOT INCLUDED |  | STYLE DESIGNATOR | WEBBED OR SPOKED |  | THREAD SIZE | 5/16 - 18 |  | V GROOVE ANGLE IN DEG | 36.0 |  | WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE | OFFSET | 
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