National Stock Number
3110-00-156-1438
National Stock Number (NSN) 3110-00-156-1438, or NIIN 001561438, (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 29 manufacturer part numbers associated with this NSN. 8 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 21 suppliers. Today, 17 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 5 years, with the most recent procurement date of May 04, 2016. There have been 5 contracts issued for this part number, with 5 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: SPE4A616VB171, SPE4A613MC203, SPM4A510MA460, SPM4A510M5508, SPM4A509MB480. The total value of the awarded contracts has been US$ 114,815.83.
This NSN is fairly common among different weapons systems, belonging to 19 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 29, 2007, 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) 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 3110001561438 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 Jun 01, 2025.