National Stock Number
3110-00-157-0531
National Stock Number (NSN) 3110-00-157-0531, or NIIN 001570531, (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 4 stock numbers: 3120012757671, 3110000389165, 3110008096276, 3110000569380.
There are 16 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 12 suppliers. Today, 9 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over a year. There have been 4 contracts issued for this part number, with 4 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE4A723PB000, SPE4A520P5382, SPE4A619V0700, SPE4A113M0069, SPE4A113M0069. The total value of the awarded contracts has been US$ 25,277.85.
This NSN is very common among different weapons systems, belonging to 67 different platforms.
There has been a small amount of demand for this national stock number. Globally, demand for this NSN has originated from 6 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.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
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 3110001570531 does not contain precious metals.
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 Jun 01, 2025.