National Stock Number
3110-00-991-0938
National Stock Number (NSN) 3110-00-991-0938, or NIIN 009910938, (bearing,ball,annular) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 3110001982749, 3110001141957.
There are 30 manufacturer part numbers associated with this NSN. 12 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 18 suppliers. Today, 11 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 10 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 5 years.
There has been very little 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 Jan 07, 2016, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 00014. [A CYLINDRICAL DEVICE IN WHICH THE INNER OR OUTER RING TURNS UPON A SINGLE OR DOUBLE ROW OF HARDENED BALLS WHICH ROLL EASILY BETWEEN THE TWO RINGS, THUS MINIMIZING FRICTION. FOR ITEMS WITH FACES SPECIALLY GROUND FOR DUPLEX MOUNTING SEE BEARING,BALL,DUPLEX. EXCLUDES:BEARING,BALL,AIRFRAME.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 3110009910938 does not contain precious metals.
This NSN is associated to Schedule B 8482105028: angular contact 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 Jun 01, 2025.