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		                        | National Stock Number:
 3020-00-008-7941
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 000087941
 
 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:
 
 | 28121B | 15950 | SMITH-BERGER MARINE, INC | 
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 Techincal Specification:
 
 | BEARINGS | NOT INCLUDED |  | BORE DIAMETER | 2.938 INCHES NOMINAL |  | BORE LENGTH | 2.500 INCHES NOMINAL |  | BORE FEATURE | INCLUDED |  | BORE TYPE | STRAIGHT |  | COUNTERBORE DEPTH | 1.109 INCHES NOMINAL |  | COUNTERBORE DIAMETER | 3.265 INCHES NOMINAL |  | COUNTERBORE FEATURE | INCLUDED |  | COUNTERBORE LOCATION | BOTH ENDS |  | DESIGN FORM | WEBBED |  | FACE WIDTH | 2.5000 INCHES NOMINAL |  | GROOVE QUANTITY | 1 |  | GROOVE RADIUS | 0.344 INCHES NOMINAL |  | GROOVE SHAPE | U |  | GROOVE DEPTH | 0.581 INCHES NOMINAL |  | HUB END OUTSIDE DIAMETER AND LOCATION | 3.750 INCHES NOMINAL BOTH ENDS |  | INTEGRAL COOLING VANE | NOT INCLUDED |  | KEYING FACILITY | NOT INCLUDED |  | LIGHTENING HOLE | NOT INCLUDED |  | MATERIAL DOCUMENT AND CLASSIFICATION | SAE 1040 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |  | MATERIAL | STEEL COMP 1040 OVERALL |  | OUTSIDE DIAMETER | 9.0000 INCHES NOMINAL |  | SPLIT HUB FEATURE | NOT INCLUDED |  | STYLE DESIGNATOR | WEBBED OR SPOKED |  | WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE | NOT OFFSET | 
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