Product Details | GROOVE PULLEY

3020-00-287-5707 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: BB11234, BB1234, 17134B, 17921B, 17921C, 1B7138, 25UU0317, 423653, 7392903, 3020-00-287-5707, 00-287-5707, 3020002875707, 002875707

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

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1963 00-287-5707

Drawings & Photos | NSN 3020-00-287-5707


Cross Reference | NSN 3020-00-287-5707

Part Number Cage Code Manufacturer
17134B 1ML14 D.W. HERCULES, LLC DBA HERCULES ENGINE COMPONENTS
17134B 28265 HERCULES ENGINE CO INC
17921B 1ML14 D.W. HERCULES, LLC DBA HERCULES ENGINE COMPONENTS
17921B 28265 HERCULES ENGINE CO INC
17921C 1ML14 D.W. HERCULES, LLC DBA HERCULES ENGINE COMPONENTS
17921C 28265 HERCULES ENGINE CO INC
1B7138 95201 NAPCO INTERNATIONAL LLC
25UU0317 62265 VOLVO TRUCKS NORTH AMERICA INC. DBA FOREIGN PARENT IS VOLVO
423653 65282 WHITE MOTOR CORP
7392903 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
BB11234 56442 DIAMOND REO TRUCK CO
BB1234 56442 DIAMOND REO TRUCK CO

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Technical Data | NSN 3020-00-287-5707

Characteristic Specifications
STYLE DESIGNATOR A5 WEBBED OR SPOKED
OUTSIDE DIAMETER 7.500 INCHES NOMINAL
FACE WIDTH 2.187 INCHES NOMINAL
HUB END OUTSIDE DIAMETER AND LOCATION 1.625 INCHES MINIMUM AA END AND 1.630 INCHES MAXIMUM AA END AND 1.750 INCHES NOMINAL BB END
DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION 1.000 INCHES NOMINAL AA END AND 0.343 INCHES NOMINAL BB END
DESIGN FORM WEBBED
WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE OFFSET
LIGHTENING HOLE NOT INCLUDED
INTEGRAL COOLING VANE NOT INCLUDED
MATERIAL AND LOCATION STEEL RIM AND IRON HUB
GROOVE SHAPE U
GROOVE QUANTITY 2
GROOVE DEPTH 0.750 INCHES NOMINAL
GROOVE WIDTH 0.875 INCHES NOMINAL
GROOVE RADIUS 0.125 INCHES NOMINAL
BORE FEATURE INCLUDED
BEARINGS NOT INCLUDED
BORE TYPE TAPERED
BORE LENGTH 1.500 INCHES NOMINAL
TAPER BORE MAJOR DIAMETER 1.000 INCHES MINIMUM AND 1.001 INCHES MAXIMUM
TAPER BORE MINOR DIAMETER 0.937 INCHES NOMINAL
TAPER MAJOR DIAMETER LOCATION AA END
COUNTERBORE FEATURE NOT INCLUDED
KEYING FACILITY INCLUDED
KEYING FACILITY TYPE KEYWAY
QUANTITY 1
KEYING FACILITY LARGEST DIMENSION LOCATION AA END
KEYWAY WIDTH 0.251 INCHES MINIMUM AND 0.253 INCHES MAXIMUM
DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY 0.599 INCHES MINIMUM AND 0.636 INCHES MAXIMUM
SPLIT HUB FEATURE NOT INCLUDED
SECURING METHOD THREADED HOLE
SECURING LOCATION BB END
SECURING HOLE QUANTITY 2
THREAD SIZE 3/8-16
HOLE LOCATION ONE LOCATED 22-1/2 DEG RIGHT ANGLE FROM KEYWAY,2ND ONE 180 DEG FROM 1ST ONE
SPECIAL FEATURES A. TWO 5/32 DEEP BY 1/4 IN. RADIUS GROOVES,ONE LOCATED 22-1/2 IN. DEG LEFT ANGLE FROM KEY,2ND ONE 180 DEG FROM 1ST ONE ON BB END OF HUB

Restrictions/Controls & Freight Information | NSN 3020-00-287-5707

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
NMF Description 127300 PULLEY BLOCKS/TCKLE/SNATCH/FAIRLDRS
Less than car load rating S 60
Less than truck load rating S 60.0
Water commodity Code 593 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable