National Stock Number (NSN) 3110-00-252-9621, or NIIN 002529621, (bearing,roller,needle) 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, 3110014936226.
There are 5 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is 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 6 contracts issued for this part number, with 6 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE4A625PJ321, SPE4A625PK737, SPE4A625P1741, SPE4A624PC809, SPE4A622PX404. The total value of the awarded contracts has been US$ 164,473.06.
This NSN is somewhat common among different platforms, belonging to 4 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 Jul 01, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. 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) 00051. [A SINGLE OR MULTIPLE-ROW ANTIFRICTION BEARING USED WITH OR WITHOUT INNER OR OUTER RACES CHARACTERIZED BY RELATIVELY SMALL SIZE ROLLERS USUALLY NOT RANGING ABOVE 0.250 INCH (6.35MM) DIAMETER AND GENERALLY LONGER IN LENGTH IN RELATION TO DIAMETER.]. 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 3110002529621 contains an unknown precious metal.
This NSN is associated to Schedule B 8482400000: needle roller bearings. 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.