National Stock Number
3110-00-198-1973
National Stock Number (NSN) 3110-00-198-1973, or NIIN 001981973, (bearing,roller,self-aligning) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 5 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Feb 02, 2020, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 00016. [AN ANTIFRICTION BEARING HAVING A CYLINDRICAL ROLLING ELEMENT AND ONE SPHERICAL RACEWAY WHICH WILL ADJUST TO VARYING DEGREES OF SHAFT AND/OR SUPPORT MISALIGNMENT WITHOUT DAMAGE TO THE RACEWAYS AND PERMITS THE FULL RATING OF THE BEARING TO BE UTILIZED.]. 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 3110001981973 contains an unknown precious metal.
This NSN is associated to Schedule B 8482800080: other ball or roller bearings, including 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 Aug 01, 2025.