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		                        | National Stock Number:
 3020-00-565-8487
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 005658487
 
 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:
 
 | S1630-61144 | 78286 | SIKORSKY AIRCRAFT CORPORATION | 
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 Techincal Specification:
 
 | BEARINGS | NOT INCLUDED |  | BORE DIAMETER | 0.375 INCHES MINIMUM AND 0.376 INCHES MAXIMUM |  | BORE LENGTH | 0.875 INCHES NOMINAL |  | BORE FEATURE | INCLUDED |  | BORE TYPE | STRAIGHT |  | COUNTERBORE DEPTH | 0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |  | COUNTERBORE DIAMETER | 1.500 INCHES NOMINAL |  | COUNTERBORE FEATURE | INCLUDED |  | COUNTERBORE LOCATION | AA END OR BB END |  | DESIGN FORM | PLAIN |  | DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 0.469 INCHES NOMINAL BOTH ENDS |  | FACE WIDTH | 0.718 INCHES NOMINAL |  | GROOVE QUANTITY | 2 |  | GROOVE RADIUS | 0.060 INCHES NOMINAL |  | GROOVE SHAPE | U |  | GROOVE WIDTH | 0.104 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |  | GROOVE DEPTH | 0.281 INCHES NOMINAL |  | HOLE LOCATION | LOCATED 3/16 IN. FROM END OF HUB |  | HUB END OUTSIDE DIAMETER AND LOCATION | 0.625 INCHES NOMINAL BOTH ENDS |  | INTEGRAL COOLING VANE | NOT INCLUDED |  | KEYING FACILITY | NOT INCLUDED |  | LIGHTENING HOLE | NOT INCLUDED |  | MATERIAL | STEEL OVERALL |  | OUTSIDE DIAMETER | 2.312 INCHES NOMINAL |  | OVERALL LENGTH | 1.187 INCHES NOMINAL |  | SECURING HOLE QUANTITY | 1 |  | SECURING LOCATION | AA END |  | SPLIT HUB FEATURE | NOT INCLUDED |  | STYLE DESIGNATOR | WEBBED OR SPOKED |  | SURFACE TREATMENT | PAINT |  | WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE | NOT OFFSET | 
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