National Stock Number
3110-12-124-0821
National Stock Number (NSN) 3110-12-124-0821, or NIIN 121240821, (ball,bearing) has an unknown assigned date. This NSN does not replace any other NSNs.
There are 30 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 22 suppliers. Today, 18 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.
This NSN is unique to one weapons system.
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 17, 2025.