NSN 3120-00-489-6338, 3120004896338
Cancelled -> Replaced by 3130014120484

Federal Supply Classification: FSC 3120 - Bearings, Plain, Unmounted
National Item Identification Number: NIIN 004896338
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 3120-00-489-6338

National Stock Number (NSN) 3120-00-489-6338, or NIIN 004896338, (bearing) was assigned May 25, 1970 in the Federal Logistics Information System (FLIS). This NSN replaces 3 stock numbers: 3130014120484, 3130012689081, 3120004883891.

There are 6 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 3 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 not been procured by the US Government in over 5 years, with the most recent procurement date of Oct 28, 2019. There have been 2 contracts issued for this part number, with 2 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A620V1449, SPM4A611V7008, SPM4A611V7008. The total value of the awarded contracts has been US$ 4,896.25.

This NSN is very common among different weapons systems, belonging to 35 different platforms.

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 Apr 25, 2008, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) 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 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 3120004896338 does not contain precious metals.

This information was last updated on Jul 01, 2025.

Technical Characteristics

SPECIAL FEATURES: (FEAT) BORE DIAMETER 0.125 IN. NOM; BASE THICKNESS 0.250 IN. NOM; HOUSING WIDTH 2.250 IN. NOM; HEIGHT FROM BOTTOM OF BASE TO BORE CENTERLINE 0.880 IN. NOM; UNTHREADED ROUND MOUNTING HOLE; MOUNTING HOLE DIAMETER 0.400 IN. NOM.