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		                        | National Stock Number:
 3020-00-330-7671
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 003307671
 
 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:
 
 | 859741 | 79500 | WESTINGHOUSE ELECTRIC CORP | 
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 Techincal Specification:
 
 | BEARING QUANTITY | 1 |  | BEARING TYPE | BALL |  | BEARINGS | INCLUDED |  | BORE DIAMETER | 0.313 INCHES NOMINAL |  | BORE LENGTH | 0.270 INCHES NOMINAL |  | BORE FEATURE | INCLUDED |  | BORE TYPE | STRAIGHT |  | COUNTERBORE FEATURE | NOT INCLUDED |  | DESIGN FORM | PLAIN |  | DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 0.004 INCHES NOMINAL BOTH ENDS |  | FACE WIDTH | 0.262 INCHES NOMINAL |  | GROOVE QUANTITY | 1 |  | GROOVE RADIUS | 0.052 INCHES NOMINAL |  | GROOVE SHAPE | U |  | GROOVE WIDTH | 0.156 INCHES NOMINAL |  | GROOVE DEPTH | 0.250 INCHES NOMINAL |  | HUB END OUTSIDE DIAMETER AND LOCATION | 0.406 INCHES NOMINAL BOTH ENDS |  | INTEGRAL COOLING VANE | NOT INCLUDED |  | KEYING FACILITY | NOT INCLUDED |  | LIGHTENING HOLE | NOT INCLUDED |  | MATERIAL | STEEL HUB |  | OUTSIDE DIAMETER | 2.500 INCHES NOMINAL |  | OVERALL LENGTH | 0.270 INCHES NOMINAL |  | SPECIAL FEATURES | FAFNIR KP5A BEARING LUBRICATED W/MIL-G-3278 |  | SPLIT HUB FEATURE | NOT INCLUDED |  | STYLE DESIGNATOR | PLAIN |  | WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE | NOT OFFSET | 
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