National Stock Number (NSN) 3120-01-543-4568, or NIIN 015434568, (bearing,plain,track roller) was assigned September 13, 2006 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number is actively being procured by the US Government, with procurement history within the last 90 days. There have been 4 contracts issued for this part number, with 4 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE4A625PL492, SPE4A021P1118, SPE4A615VA590, SPM4A409V4068. The total value of the awarded contracts has been US$ 413.84.
This NSN is unique to one weapons system.
There has been a small amount of 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 Mar 20, 2019, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 42389. [A DETACHABLE ASSEMBLY CONSISTING OF AN OUTER AND INNER RING, DESIGNED FOR USE IN A TRACK ROLLER OR SIMILAR APPLICATION. IT IS USED TO CARRY A LOAD AND REDUCE SLIDING FRICTION. IT DOES NOT EMPLOY ROLLING ELEMENTS, BUT MAY INCORPORATE NON-METALLIC LINERS OR SLEEVES TO AID IN REDUCING FRICTION AND/OR PROVIDING LUBRICATION. SEE ALSO BEARING, BALL, TRACK ROLLER; AND BEARING, ROLLER, TRACK ROLLER. EXCLUDES:BEARING, PLAIN, SPHERICAL AND BEARING, PLAIN, SELF-ALIGNING.]. 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 3120015434568 does not contain precious metals.
This NSN is associated to Schedule B 8482800080: other ball or roller bearings, including combined ball/roller 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.