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		                             National Stock Number: 3020-00-549-4779
  Federal Supply Class: 3020
  National Item Identification Number: 005494779
  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:
 | 1973-5 | 29965 | ARVAN, INC. |  | ST9M520A2 | 76301 | THE BOEING COMPANY |   
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  Techincal Specification:
 | BEARING QUANTITY | 1 |  | BEARING TYPE | BALL |  | BEARINGS | INCLUDED |  | BORE DIAMETER | 0.314 INCHES NOMINAL |  | 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 | 0.015 INCHES NOMINAL BOTH ENDS |  | FACE WIDTH | 0.422 INCHES NOMINAL |  | GROOVE QUANTITY | 1 |  | GROOVE RADIUS | 0.097 INCHES NOMINAL |  | GROOVE SHAPE | U |  | GROOVE WIDTH | 0.275 INCHES NOMINAL |  | GROOVE DEPTH | 0.250 INCHES NOMINAL |  | HUB END OUTSIDE DIAMETER AND LOCATION | 0.515 INCHES NOMINAL BOTH ENDS |  | INTEGRAL COOLING VANE | NOT INCLUDED |  | KEYING FACILITY | NOT INCLUDED |  | LIGHTENING HOLE | NOT INCLUDED |  | MATERIAL | ALUMINUM ALLOY OVERALL |  | OUTSIDE DIAMETER | 3.005 INCHES NOMINAL |  | OVERALL LENGTH | 0.625 INCHES NOMINAL |  | SPLIT HUB FEATURE | NOT INCLUDED |  | STYLE DESIGNATOR | PLAIN |  | SURFACE TREATMENT | ANODIZE |   
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