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		                        | National Stock Number:
 3020-00-199-6457
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 001996457
 
 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:
 
 | 47-669-075-3 | 80070 | LOCKHEED MARTIN CORPORATION |  | 47-669-075-3 | 97499 | BELL TEXTRON INC | 
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 Techincal Specification:
 
 | BEARINGS | NOT INCLUDED |  | BOLT CIRCLE DIAMETER | 2.500 INCHES NOMINAL |  | BORE DIAMETER | 2.033 INCHES NOMINAL |  | BORE LENGTH | 0.190 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 | 1.316 INCHES NOMINAL AA END AND 0.100 INCHES NOMINAL BB END |  | DRILLED HOLE DIAMETER | 0.248 INCHES NOMINAL |  | FACE WIDTH | 1.606 INCHES NOMINAL |  | GROOVE QUANTITY | 2 |  | GROOVE SHAPE | V |  | GROOVE WIDTH | 0.656 INCHES NOMINAL |  | GROOVE DEPTH | 0.699 INCHES NOMINAL |  | HOLE LOCATION | THRU BODY,60 DEG APART |  | INTEGRAL COOLING VANE | NOT INCLUDED |  | KEYING FACILITY | NOT INCLUDED |  | LIGHTENING HOLE | NOT INCLUDED |  | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7097 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |  | MATERIAL | STEEL OVERALL |  | OUTSIDE DIAMETER | 4.835 INCHES NOMINAL |  | SECURING HOLE QUANTITY | 6 |  | SECURING LOCATION | PULLEY SURFACE |  | SECURING METHOD | DRILLED HOLE |  | SPLIT HUB FEATURE | NOT INCLUDED |  | STANDARD V-BELT SECTION DESIGNATION FOR WHICH DESIGNED | 5L |  | STYLE DESIGNATOR | WEBBED OR SPOKED |  | SURFACE TREATMENT | CHROMATE |  | V GROOVE ANGLE IN DEG | 36.0 |  | WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE | OFFSET | 
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