National Stock Number
3110-00-198-1004
National Stock Number (NSN) 3110-00-198-1004, or NIIN 001981004, (ball,bearing) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 5 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 12 suppliers. Today, 6 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 5 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.
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 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 3110001981004 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 Jul 01, 2025.