National Stock Number
3110-00-702-8913
National Stock Number (NSN) 3110-00-702-8913, or NIIN 007028913, (bearing,ball,duplex) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 3110008430626.
There are 5 manufacturer part numbers associated with this NSN. 5 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Oct 18, 2013. There have been 5 contracts issued for this part number, with 4 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: SPE4A614M0921, SPE4A614M0921, SPE4A612M6267, SPE4A612M6290, SPM4A510MF324. The total value of the awarded contracts has been US$ 142,252.08.
This NSN is unique to one weapons system.
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 02, 2011, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The rights to use the data needed to purchase this part from additional sources are not owned by the Government and cannot be purchased. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 30213. [TWO SINGLE ROW ANNULAR BALL BEARINGS SELECTED DIMENSIONALLY TO BE A MATCHED PAIR OR SET. THE RING FACES HAVE BEEN SPECIALLY GROUND TO SPECIFIED OFFSETS THAT WILL PRODUCE PREDETERMINED PRELOAD WHEN MOUNTED. MAY INCLUDE A SINGLE ROW ANGULAR CONTACT BEARING WITH FACES SPECIALLY GROUND FOR DUPLEX MOUNTING.]. 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 3110007028913 does not contain precious metals.
This NSN is associated to Schedule B 8482105068: ball 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 Aug 01, 2025.