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		                        | National Stock Number:
 3020-00-200-1537
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 002001537
 
 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:
 
 | 20221-3 | 83451 | ATCO PULLEY CORP |  | 20221-3 | 85665 | WITCO CHEMICAL CORP ALLIED KELITE PRODUCTS DIV |  | MIL-DTL-7034/3 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |  | MIL-DTL-7034/3-3 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |  | MS20221-3 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | 
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 Techincal Specification:
 
 | BEARING QUANTITY | 1 |  | BEARINGS | INCLUDED |  | BEARING TYPE | SLEEVE |  | BORE DIAMETER | 0.500 INCHES NOMINAL |  | BORE LENGTH | 0.759 INCHES NOMINAL |  | BORE FEATURE | INCLUDED |  | BORE TYPE | STRAIGHT |  | COUNTERBORE FEATURE | NOT INCLUDED |  | DESIGN FORM | WEBBED |  | DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 0.127 INCHES NOMINAL BOTH ENDS |  | FACE WIDTH | 0.505 INCHES NOMINAL |  | GROOVE QUANTITY | 1 |  | GROOVE RADIUS | 0.156 INCHES NOMINAL |  | GROOVE SHAPE | U |  | GROOVE WIDTH | 0.342 INCHES NOMINAL |  | GROOVE DEPTH | 0.312 INCHES NOMINAL |  | HUB END OUTSIDE DIAMETER AND LOCATION | 0.772 INCHES NOMINAL BOTH ENDS |  | INTEGRAL COOLING VANE | NOT INCLUDED |  | KEYING FACILITY | NOT INCLUDED |  | LIGHTENING HOLE | NOT INCLUDED |  | MATERIAL | PLASTIC BODY |  | OUTSIDE DIAMETER | 5.620 INCHES NOMINAL |  | OVERALL LENGTH | 0.759 INCHES NOMINAL |  | SPECIAL FEATURES | HUB IS CONSTRUCTED OF STEEL |  | SPLIT HUB FEATURE | NOT INCLUDED |  | STYLE DESIGNATOR | WEBBED OR SPOKED |  | WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE | NOT OFFSET | 
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