National Stock Number (NSN) 3110-01-616-2481, or NIIN 016162481, (bearing,slewing ring) was assigned February 6, 2013 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 3110014422421.
There are 8 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, 6 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 5 suppliers 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 16 contracts issued for this part number, with 15 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 9 different suppliers. The last contract numbers awarded were: SPE4A622C0049, SPE4A622C0049, SPE4A622C0049, SPE4A622C0049, SPE4A622C0049. The total value of the awarded contracts has been US$ 21,913,983.53.
This NSN is very common among different weapons systems, belonging to 26 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 May 08, 2014, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 41984. [A MAJOR CYLINDRICAL ANTIFRICTION BEARING IN WHICH THE INNER OR OUTER RING TURNS ON A SINGLE OR MULTIPLE ROW OF HARDENED BALLS AND/OR ROLLERS. THE ROLLING ELEMENTS ROLL EITHER DIRECTLY ON THE INNER AND OUTER RING OR ON RACE WIRES INSERTED INTO THESE RINGS WHICH MAY HAVE GEAR TEETH. THE ITEM IS DESIGNED FOR DIRECT ECCENTRIC MOUNTING ON COMPONENTS REQUIRING SUPPORT FOR ROTATIONAL OPERATION AND IT IS PRIMARILY USED TO ACCOMMODATE AND SUPPORT RADAR ANTENNAS, GUN MOUNTS, TANK TURRETS AND SLEWING CRANES.]. 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 3110016162481 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.