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		                        | National Stock Number:
 3020-01-064-2758
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 010642758
 
 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:
 
 | D-21154 | 90598 | ENGINEERED AIR SYSTEMS INC. DBA DRS SUSTAINMENT SYSTEMS |  | D-21154-2 | 5RQL2 | DRS ENVIRONMENTAL SYSTEMS INC |  | D-21154-2 | 90598 | ENGINEERED AIR SYSTEMS INC. DBA DRS SUSTAINMENT SYSTEMS | 
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 Techincal Specification:
 
 | BEARINGS | NOT INCLUDED |  | BORE DIAMETER | 2.165 INCHES NOMINAL |  | BORE LENGTH | 1.718 INCHES NOMINAL |  | BORE FEATURE | INCLUDED |  | BORE TYPE | STRAIGHT |  | COUNTERBORE FEATURE | NOT INCLUDED |  | DESIGN FORM | PLAIN |  | FACE WIDTH | 1.718 INCHES NOMINAL |  | GROOVE QUANTITY | 3 |  | GROOVE SHAPE | V |  | GROOVE WIDTH | 0.438 INCHES NOMINAL |  | GROOVE DEPTH | 0.475 INCHES NOMINAL |  | INTEGRAL COOLING VANE | NOT INCLUDED |  | KEYING FACILITY | NOT INCLUDED |  | LIGHTENING HOLE | NOT INCLUDED |  | MATERIAL | STEEL OVERALL |  | OUTSIDE DIAMETER | 4.000 INCHES NOMINAL |  | SPLIT HUB FEATURE | NOT INCLUDED |  | STYLE DESIGNATOR | PLAIN |  | V GROOVE ANGLE IN DEG | 36.0 | 
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