NSN 3120-01-155-4522, 3120011554522
Cancelled -> Replaced by 3120010822077

Federal Supply Classification: FSC 3120 - Bearings, Plain, Unmounted
National Item Identification Number: NIIN 011554522
Codification Country: United States
Item Name Code: INC 77777
Criticality: (Y) This item does not have a nuclear hardened feature but does have other critical feature(s) 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 11 qualified suppliers

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DLMS^® Summary

National Stock Number 3120-01-155-4522

National Stock Number (NSN) 3120-01-155-4522, or NIIN 011554522, (bushing,assembly) was assigned June 9, 1983 in the Federal Logistics Information System (FLIS). This NSN replaces 1 stock number, 3120010822077.

There are 3 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.

This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 16 contracts issued for this part number, with 24 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 8 different suppliers. The last contract numbers awarded were: SPE4A625V9321, SPE4A625V4365, SPE4A625V0569, SPE4A624V6422, SPE4A123P1721. The total value of the awarded contracts has been US$ 583,086.82.

This NSN is somewhat common among different platforms, belonging to 5 different weapons systems.

There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 06, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government does not have adequate data, lacks rights to data, or both, needed to purchase this part from additional sources. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 77777. This item does not have a nuclear hardened feature but does have other critical feature(s) 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 3120011554522 does not contain precious metals.

This information was last updated on Aug 01, 2025.