National Stock Number
3110-00-181-2643
National Stock Number (NSN) 3110-00-181-2643, or NIIN 001812643, (bearing,roller,cylindrical) was assigned March 2, 1973 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 3110009466414, 3110001739520.
There are 8 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 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 02, 2006, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 00015. [A NONADJUSTABLE ROLLER BEARING CONSISTING OF A SINGLE OR MULTIPLE-ROW OF HARDENED CYLINDRICAL ROLLERS AND A RETAINER USED WITH OR WITHOUT INNER OR OUTE R RINGS. EXCLUDES:BEARING,ROLLER,AIRFRAME.]. 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 3110001812643 does not contain precious metals.
This NSN is associated to Schedule B 8482500000: other cylindrical roller bearings. 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.