National Stock Number
3110-00-051-9125
National Stock Number (NSN) 3110-00-051-9125, or NIIN 000519125, (bearing,roller,needle) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 3110008079849, 3110010500512.
There are 10 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 7 suppliers. Today, 7 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.
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 20 contracts issued for this part number, with 29 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE4A625F009U, SPE4A624F420R, SPE4A624F5270, SPE4A623F233G, SPE4A623F3099. The total value of the awarded contracts has been US$ 66,601.00.
This NSN is fairly common among different weapons systems, belonging to 22 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 Jun 15, 2010, 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) 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 3110000519125 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 Aug 01, 2025.