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National Stock Number:
3020-00-277-1134
Federal Supply Class:
3020
National Item Identification Number:
002771134
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:
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Techincal Specification:
| BEARINGS | NOT INCLUDED | | BORE DIAMETER | 1.250 INCHES MINIMUM AND 1.253 INCHES MAXIMUM | | BORE LENGTH | 3.875 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 | 1.375 INCHES NOMINAL BOTH ENDS | | FACE WIDTH | 2.500 INCHES NOMINAL | | GROOVE QUANTITY | 3 | | GROOVE SHAPE | V | | GROOVE WIDTH | 0.677 INCHES MINIMUM AND 0.679 INCHES MAXIMUM | | GROOVE DEPTH | 0.688 INCHES NOMINAL | | HOLE LOCATION | ONE HOLE LOCATED ON TOP OF KEYWAY,ONE HOLE LOCATED 90 DEG FROM KEYWAY,BOTH HOLES LOCATED 1-3/16 IN. FROM HUB END | | HUB END OUTSIDE DIAMETER AND LOCATION | 2.500 INCHES NOMINAL BOTH ENDS | | INTEGRAL COOLING VANE | NOT INCLUDED | | KEYING FACILITY | NOT INCLUDED | | LIGHTENING HOLE | INCLUDED | | MATERIAL | ALUMINUM ALLOY OVERALL | | PITCH DIAMETER | 8.600 INCHES NOMINAL | | OUTSIDE DIAMETER | 9.100 INCHES NOMINAL | | OVERALL LENGTH | 3.875 INCHES NOMINAL | | SECURING HOLE QUANTITY | 2 | | SECURING LOCATION | AA END | | SECURING METHOD | THREADED HOLE(S) | | SPLIT HUB FEATURE | NOT INCLUDED | | STANDARD V-BELT SECTION DESIGNATION FOR WHICH DESIGNED | B | | STYLE DESIGNATOR | WEBBED OR SPOKED | | THREAD SIZE | 3/8 - 16 | | V GROOVE ANGLE IN DEG | 38.0 | | WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE | NOT OFFSET |
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