Product Details | GROOVE PULLEY

3020-00-640-4675 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.

Part Alternates: AK39, 3020-00-640-4675, 00-640-4675, 3020006404675, 006404675

Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1963 00-640-4675

Drawings & Photos | NSN 3020-00-640-4675


Cross Reference | NSN 3020-00-640-4675

Part Number Cage Code Manufacturer
AK39 71176 EMERSON ELECTRIC CO BROWNING MFG DIV

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Technical Data | NSN 3020-00-640-4675

Characteristic Specifications
STYLE DESIGNATOR A2 PLAIN
OUTSIDE DIAMETER 3.750 INCHES NOMINAL
OVERALL LENGTH 1.625 INCHES NOMINAL
PITCH DIAMETER 3.500 INCHES NOMINAL
FACE WIDTH 0.750 INCHES NOMINAL
HUB END OUTSIDE DIAMETER AND LOCATION 1.250 INCHES NOMINAL BOTH ENDS
DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION 0.875 INCHES NOMINAL BOTH ENDS
DESIGN FORM PLAIN
WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE NOT OFFSET
LIGHTENING HOLE NOT INCLUDED
INTEGRAL COOLING VANE NOT INCLUDED
MATERIAL AND LOCATION STEEL OVERALL
GROOVE SHAPE V
GROOVE QUANTITY 1
GROOVE DEPTH 0.500 INCHES NOMINAL
GROOVE WIDTH 0.500 INCHES NOMINAL
V GROOVE ANGLE IN DEG 20.0
STANDARD V-BELT SECTION DESIGNATION FOR WHICH DESIGNED A
BORE FEATURE INCLUDED
BEARINGS NOT INCLUDED
BORE TYPE STRAIGHT
BORE DIAMETER 0.625 INCHES NOMINAL
BORE LENGTH 1.625 INCHES NOMINAL
COUNTERBORE FEATURE NOT INCLUDED
KEYING FACILITY INCLUDED
KEYING FACILITY TYPE KEYWAY
QUANTITY 1
KEYWAY WIDTH 0.188 INCHES NOMINAL
DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY 0.438 INCHES NOMINAL
PROTRUDING HUB CHARACTERISTIC GROOVED
FIRST END GROOVE DIAMETER AND LOCATION 1.188 INCHES NOMINAL BOTH ENDS
FIRST END GROOVE WIDTH AND LOCATION 0.063 INCHES NOMINAL BOTH ENDS
FIRST END LENGTH FROM GROOVE TO END AND LOCATION 0.219 INCHES NOMINAL BOTH ENDS
SPLIT HUB FEATURE NOT INCLUDED
SECURING METHOD THREADED HOLE
SECURING LOCATION AA END
SECURING HOLE QUANTITY 2
THREAD SIZE 5/16 IN. -18
HOLE LOCATION ONE HOLE ON TOP OF KEYWAY,ONE HOLE 90 DEG FROM KEYWAY
FURNISHED ITEMS AND QUANTITY N/A
SPECIAL FEATURES N/A

Restrictions/Controls & Freight Information | NSN 3020-00-640-4675

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information