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		                             National Stock Number: 3020-00-540-4843
  Federal Supply Class: 3020
  National Item Identification Number: 005404843
  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:
 | 60-41098-1 | 80020 | NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2 |   
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  Techincal Specification:
 | BEARINGS | NOT INCLUDED |  | BORE DIAMETER | 0.3120 INCHES MINIMUM AND 0.3145 INCHES MAXIMUM |  | BORE LENGTH | 0.625 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 | 0.094 INCHES NOMINAL BOTH ENDS |  | FACE WIDTH | 0.438 INCHES NOMINAL |  | GROOVE QUANTITY | 1 |  | GROOVE RADIUS | 0.094 INCHES NOMINAL |  | GROOVE SHAPE | U |  | GROOVE WIDTH | 0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM |  | GROOVE DEPTH | 0.250 INCHES NOMINAL |  | HUB END OUTSIDE DIAMETER AND LOCATION | 1.000 INCHES NOMINAL BOTH ENDS |  | INTEGRAL COOLING VANE | NOT INCLUDED |  | KEYING FACILITY | NOT INCLUDED |  | LIGHTENING HOLE | NOT INCLUDED |  | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-6946-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |  | MATERIAL | COPPER ALLOY 630 OVERALL |  | OUTSIDE DIAMETER | 5.500 INCHES NOMINAL |  | OVERALL LENGTH | 0.615 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |  | SPECIAL FEATURES | HUB FACE 250 MICROINCHES FINISH BORE 63 MICROINCH FINISH |  | SPLIT HUB FEATURE | NOT INCLUDED |  | STYLE DESIGNATOR | PLAIN |   
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