National Stock Number (NSN) 3120-01-644-1338, or NIIN 016441338, (bearing,plain,cam follower) was assigned April 22, 2015 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 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 2 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 a year. 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: SPE4A621V9237, SPE4A621V9237, SPE4A620V067E, SPE4A620V067E, SPE4A620PH868. The total value of the awarded contracts has been US$ 12,243.44.
This NSN is unique to one weapons system.
There has been very little 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 Apr 28, 2020, 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) 42390. [A DETACHABLE ASSEMBLY, WHICH PROVIDES ROLLING CONTACT WITH A CAM OR SIMILAR DEVICE, AND CONVERTS RECIPROCATING OR OSCILLATING MOTION TO LINEAR MOTION. THE ASSEMBLY CONSISTS OF AN OUTER RING AND AND INTEGRAL STUD. IT DOES NOT EMPLOY ROLLING ELEMENTS BUT MAY INCORPORATE NONMETALLIC LINERS OR SLEEVES TO AID IN REDUCING FRICTION AND/OR PROVIDING LUBRICATION. SEE ALSO CAM FOLLOWER, NEEDLE BEARING.]. 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 3120016441338 does not contain precious metals.
This NSN is associated to Schedule B 8482997090: parts, nesoi, for roller bearings or for 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 Aug 01, 2025.