National Stock Number (NSN) 3110-00-155-7453, or NIIN 001557453, (bearing,roller,tapered) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 3110013184513.
There are 25 manufacturer part numbers associated with this NSN. 13 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 27 suppliers. Today, 15 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 13 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, with the most recent procurement date of Feb 12, 2016. There have been 2 contracts issued for this part number, with 2 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE4A616M8200, SPE4A615V4756. The total value of the awarded contracts has been US$ 5,694.24.
This NSN is fairly common among different weapons systems, belonging to 23 different platforms.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 1,533. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 05, 2014, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 00021. [A CYLINDRICAL DEVICE IN WHICH THE INNER CONE OR OUTER CUP TURNS UPON A SINGLE OR DOUBLE ROW OF TAPERED HARDENED ROLLERS WHICH ROLL EASILY IN A RACE, THUS MINIMIZING FRICTION AND DESIGNED TO CARRY A RADIAL LOAD AND CAPABLE OF SUSTAINING AXIAL THRUST. EXCLUDES:BEARING,ROLLER,THRUST.]. 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 3110001557453 does not contain precious metals.
This NSN is associated to Schedule B 8482200030: tapered roller bearings, cup and cone assemblies entered as a set, wheel hub units, other than flanged. 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.