National Stock Number (NSN) 3110-00-252-9291, or NIIN 002529291, (bearing,roller,self-aligning) was assigned June 18, 1973 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 3110000708280.
There are 14 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 11 suppliers. Today, 10 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 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 14 contracts issued for this part number, with 14 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 7 different suppliers. The last contract numbers awarded were: SPE4A625PG500, SPE4A625PG500, SPE4A625P7531, SPE4A624V5251, SPE4A624V3876. The total value of the awarded contracts has been US$ 177,919.05.
This NSN is very common among different weapons systems, belonging to 27 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 Sep 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
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 3110002529291 does not contain precious metals.
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 Jul 01, 2025.