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National Stock Number:
3020-00-821-1344
Federal Supply Class:
3020
National Item Identification Number:
008211344
Description:
PULLEY,CONE
Detail:
A PULLEY HAVING TWO OR MORE ADJOINING GROOVED, FLAT OR CROWNED FACES IN STEPS OF DIFFERENT DIAMETERS OR ONE HAVING A SINGLE TAPERED FACE. FOR PULLEYS ENCASED IN A SHELL OR FRAME, SEE BLOCK, TACKLE.
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Manufacturer Information:
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Techincal Specification:
| FACE TYPE | STEP GROOVE | | FACE WIDTH | 2.375 INCHES NOMINAL | | STEP OUTSIDE DIAMETER | 9.000 INCHES NOMINAL | | GROOVE SHAPE | V | | GROOVE QUANTITY | 3 | | GROOVE DEPTH | 0.563 INCHES NOMINAL AND | | 0.625 INCHES NOMINAL | | GROOVE WIDTH | 0.500 INCHES NOMINAL AND | | 0.656 INCHES NOMINAL | | V GROOVE ANGLE IN DEG | 20.0 | | STANDARD V-BELT SECTION DESIGNATION FOR WHICH DESIGNED | A AND | | B | | V GROOVE PITCH DIAMETER | 8.500 INCHES NOMINAL | | STYLE DESIGNATOR | WEBBED OR SPOKED | | DESIGN FORM | WEBBED | | WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE | OFFSET | | LIGHTENING HOLE | NOT INCLUDED | | INTEGRAL COOLING VANE | NOT INCLUDED | | OVERALL LENGTH | 3.125 INCHES NOMINAL | | MATERIAL AND LOCATION | STEEL OVERALL | | BORE BEARING | NOT INCLUDED | | BORE TYPE | STRAIGHT | | COUNTERBORE FEATURE | NOT INCLUDED | | BORE DIAMETER | 1.000 INCHES NOMINAL | | BORE LENGTH | 1.938 INCHES NOMINAL | | KEYING FACILITY | INCLUDED | | KEYING FACILITY TYPE | KEYWAY | | QUANTITY | 1 | | KEYWAY WIDTH | 0.125 INCHES NOMINAL | | DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY | 0.563 INCHES NOMINAL | | PROTRUDING HUB CHARACTERISTIC | PLAIN | | HUB END OUTSIDE DIAMETER AND LOCATION | 1.750 INCHES NOMINAL AA END | | DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 0.813 INCHES NOMINAL AA END AND | | 1.125 INCHES NOMINAL BB END | | SPLIT HUB FEATURE | NOT INCLUDED | | SECURING METHOD | THREADED HOLE | | SECURING HOLE QUANTITY | 2 | | THREAD SIZE | 7/16-14 | | HOLE LOCATION | THRU PULLEY 180 DEG APART |
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