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NSN 3020-00-352-0998, 3020003520998
Cancelled -> Replaced by 4030003678344

Federal Supply Classification: FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number: NIIN 003520998
Codification Country: United States
Item Name Code: INC 77777
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 3020-00-352-0998

National Stock Number (NSN) 3020-00-352-0998, or NIIN 003520998, (sheave) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NSN replaces 2 stock numbers: 3815005460571, 4030003678344.

There are 6 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

This NSN is assigned to Item Name Code (INC) 77777. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 3020003520998 does not contain precious metals.

This information was last updated on Aug 01, 2025.

Technical Characteristics

GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) WEBBED OR SPOKED STYLE; 4.000 IN. OUTSIDE DIAMETER; 1.250 INCHES OVERALL LENGTH; 0.875 INCHES FACE WIDTH; 1.188 INCHES HUB END OUTSIDE DIAMETER AND LOCATION BOTH ENDS; 0.188 INCHES DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION BOTH ENDS; WEBBED DESIGN FORM; WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE NOT OFFSET; LIGHTENING HOLE NOT INCLUDED; INTEGRAL COOLING VALVE NOT INCLUDED; IRON MATERIAL; U GROOVE SHAPE; 1 GROOVE QUANTITY; 0.375 INCHES GROOVE DEPTH; 0.688 INCHES GROOVE WIDTH; 0.218 INCHES GROOVE RADIUS; BORE FEATURE INCLUDED; BEARINGS NOT INCLUDED; STRAIGHT BORE TYPE; 0.625 INCHES BORE DIAMETER; 1.250 INCHES BORE LENGTH; COUNTERBORE FEATURE NOT INCLUDED; KEYING FACILITY NOT INCLUDED; SPLIT HUB FEATURE NOT INCLUDED

Manufacturer Part Numbers

RNCC: 3
RNVC: 2

RNCC: 5
RNVC: 9

RNCC: 5
RNVC: 9

RNCC: 5
RNVC: 9

RNCC: 3
RNVC: 2

RNCC: 5
RNVC: 9

RNCC: 5
RNVC: 9

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