NSN 3020-00-020-3953, 3020000203953
Cancelled -> Replaced by 5841000207678

Federal Supply Classification: FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number: NIIN 000203953
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: We have 1 qualified suppliers

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DLMS^® Summary

National Stock Number 3020-00-020-3953

National Stock Number (NSN) 3020-00-020-3953, or NIIN 000203953, (gear assembly,antibacklash) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NSN replaces 1 stock number, 5841000207678.

There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. 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 3020000203953 does not contain precious metals.

This information was last updated on Jul 01, 2025.

Technical Characteristics

END ITEM IDENTIFICATION: (AGAV) 6605004631873
GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) C/O SPUR GEAR(20T)1 P/N 3157-345; HUB 1 P/N 3318-148; SPUR GEAR(80T)1 P/N 3157-344; SPUR GEAR(80T)1 P/N 3157-343; HELICAL SPRING 2 P/N 3315-266
III END ITEM IDENTIFICATION: (AGAV) 6605004631873