National Stock Number
3110-00-156-6788
National Stock Number (NSN) 3110-00-156-6788, or NIIN 001566788, (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, 3110009509544.
There are 7 manufacturer part numbers associated with this NSN. 5 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 9 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are 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 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 3110001566788 contains an unknown precious metal.
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.