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		                        | National Stock Number:
 3020-00-338-6511
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 003386511
 
 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:
 
 | 0K40 1-2 | 71176 | EMERSON ELECTRIC CO BROWNING MFG DIV |  | 0K40X 1/2 | 71176 | EMERSON ELECTRIC CO BROWNING MFG DIV |  | OK40X 1/2 | 71176 | EMERSON ELECTRIC CO BROWNING MFG DIV | 
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 Techincal Specification:
 
 | BEARINGS | NOT INCLUDED |  | BORE DIAMETER | 0.500 INCHES NOMINAL |  | BORE LENGTH | 1.031 INCHES NOMINAL |  | BORE FEATURE | INCLUDED |  | BORE TYPE | STRAIGHT |  | COUNTERBORE FEATURE | NOT INCLUDED |  | DESIGN FORM | SPOKED |  | DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 0.469 INCHES NOMINAL BOTH ENDS |  | FACE WIDTH | 0.562 INCHES NOMINAL |  | GROOVE QUANTITY | 1 |  | GROOVE SHAPE | V |  | GROOVE WIDTH | 0.368 INCHES NOMINAL |  | GROOVE DEPTH | 0.281 INCHES NOMINAL |  | HOLE LOCATION | LOCATED ON HUB PORTION OF PULLEY BETWEEN HUB END AND FACE |  | HUB END OUTSIDE DIAMETER AND LOCATION | 1.563 INCHES NOMINAL BOTH ENDS |  | INTEGRAL COOLING VANE | NOT INCLUDED |  | KEYING FACILITY | NOT INCLUDED |  | LIGHTENING HOLE | NOT INCLUDED |  | MATERIAL | IRON OVERALL |  | PITCH DIAMETER | 4.000 INCHES NOMINAL |  | OUTSIDE DIAMETER | 4.170 INCHES NOMINAL |  | OVERALL LENGTH | 1.031 INCHES NOMINAL |  | SECURING HOLE QUANTITY | 1 |  | SECURING LOCATION | AA END |  | SECURING METHOD | THREADED HOLE(S) |  | SPLIT HUB FEATURE | NOT INCLUDED |  | STANDARD V-BELT SECTION DESIGNATION FOR WHICH DESIGNED | 3L |  | STYLE DESIGNATOR | WEBBED OR SPOKED |  | SURFACE TREATMENT | PAINT |  | THREAD SIZE | 5/16-18 |  | V GROOVE ANGLE IN DEG | 36.0 |  | WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE | NOT OFFSET | 
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