National Stock Number
3120-01-197-4078
National Stock Number (NSN) 3120-01-197-4078, or NIIN 011974078, (bearing half set,sleeve) was assigned December 21, 1984 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 3120012820839.
There are 9 manufacturer part numbers associated with this NSN. 3 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, 4 suppliers are 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 unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Feb 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 21963. [TWO OR MORE IDENTICAL OR DIFFERENT SIZES OR TYPES OF BEARING HALF, SLEEVE PACKAGED OR GROUPED TOGETHER FOR SINGLE ISSUE AS A UNIT, FOR REPLACEMENT OF WORN AND/OR DAMAGED BEARINGS. SEE BEARING HALF, SLEEVE. EXCLUDES:BEARING SET, SLEEVE.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 3120011974078 does not contain precious metals.
This NSN is associated to Schedule B 8482997090: parts, nesoi, for roller bearings or for combined ball/roller bearings, nesoi. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332991: ball and roller bearing manufacturing.
This information was last updated on Jun 01, 2025.