National Stock Number (NSN) 3110-01-146-8173, or NIIN 011468173, (bearing,ball,stack) was assigned February 7, 1983 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 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Oct 25, 2019. There have been 5 contracts issued for this part number, with 5 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A620F1846, SPE4A519F369X, SPE4A519F237E, SPE4A618F8573, SPE4A618F8573. The total value of the awarded contracts has been US$ 2,282,499.61.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 11, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 30214. [A MULTIPLE ASSEMBLY OF MORE THAN TWO BEARINGS MATCHED FOR DUPLEX MOUNTING. DESIGNED PRIMARILY FOR AIRCRAFT PROPELLER AND ROTARY WING AIRCRAFT ROTOR BLADE APPLICATIONS. SEE ALSO BEARING, BALL, ANNULAR.]. This item is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 3110011468173 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 Aug 01, 2025.