National Stock Number
3110-01-644-6957
National Stock Number (NSN) 3110-01-644-6957, or NIIN 016446957, (bearing,slewing ring) was assigned May 15, 2015 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier 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.
This NSN is unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 16, 2015, 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 Government does not have adequate data, lacks rights to data, or both, needed to purchase this part from additional sources. 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 3110016446957 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.