National Stock Number
3110-12-159-0289
National Stock Number (NSN) 3110-12-159-0289, or NIIN 121590289, (ball,bearing) has an unknown assigned date. This NSN does not replace any other NSNs.
There are 9 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are 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 Feb 19, 2020. There have been 2 contracts issued for this part number, with 2 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: SPE4A620PA401, SPE4A619P6263. The total value of the awarded contracts has been US$ 578.39.
This NSN is somewhat common among different platforms, belonging to 4 different weapons systems.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 00036. [A HOMOGENOUS SPHERICAL BODY, A SERIES OF WHICH PROVIDES THE ROLLING ELEMENTS IN A BEARING, BALL (AS MODIFIED). THE ITEM IS DESIGNED PRIMARILY TO ALLEVIATE FRICTION. IT MAY HAVE OTHER USAGES SUCH AS THE CHECKING COMPONENT IN A BALL-TYPE CHECK VALVE. EXCLUDES:BALL,CHECK; BALL,VALVE,PORTED.].
This information was last updated on Oct 10, 2025.