Product Details | GROOVE PULLEY

3020-01-057-7451 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: 76TE-1701-84 PIECE 9, 76TE170184PIECE9, 3020-01-057-7451, 01-057-7451, 3020010577451, 010577451

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

Supply Group (FSG) NSN Assign. NIIN
30 19 MAR 1978 01-057-7451

Drawings & Photos | NSN 3020-01-057-7451


Cross Reference | NSN 3020-01-057-7451

Part Number Cage Code Manufacturer
76TE-1701-84 PIECE 9 81340 UNITED STATES COAST GUARD

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Technical Data | NSN 3020-01-057-7451

Characteristic Specifications
STYLE DESIGNATOR A7 WEBBED OR SPOKED
OUTSIDE DIAMETER 18.000 INCHES NOMINAL
OVERALL LENGTH 28.000 INCHES NOMINAL
FACE WIDTH 2.000 INCHES NOMINAL
HUB END OUTSIDE DIAMETER AND LOCATION 9.000 INCHES NOMINAL BOTH ENDS
DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION 4.500 INCHES NOMINAL BOTH ENDS
DESIGN FORM SPOKED
WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE NOT OFFSET
LIGHTENING HOLE INCLUDED
INTEGRAL COOLING VANE NOT INCLUDED
MATERIAL AND LOCATION STEEL, ASTM A148 OVERALL
GROOVE SHAPE U
GROOVE QUANTITY 1
GROOVE DEPTH 1.375 INCHES NOMINAL
GROOVE WIDTH 1.250 INCHES NOMINAL
GROOVE RADIUS 0.375 INCHES NOMINAL
BORE FEATURE INCLUDED
BEARINGS NOT INCLUDED
BORE TYPE STRAIGHT
BORE DIAMETER 5.905 INCHES MINIMUM AND 5.907 INCHES MAXIMUM
BORE LENGTH 2.812 INCHES NOMINAL
COUNTERBORE FEATURE INCLUDED
COUNTERBORE LOCATION BOTH ENDS
COUNTERBORE DIAMETER 6.500 INCHES NOMINAL
COUNTERBORE DEPTH 0.094 INCHES NOMINAL
KEYING FACILITY NOT INCLUDED
SPLIT HUB FEATURE NOT INCLUDED
SECURING METHOD PIN
SECURING LOCATION BOTH ENDS
III END ITEM IDENTIFICATION 4 IN. PIN ONLY - MAIN CARGO BOOM ONBOARD 180 FT WLB COAST GUARD VESSELS

Restrictions/Controls & Freight Information | NSN 3020-01-057-7451

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:AItem does not contain precious metal
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