National Stock Number (NSN) 3110-00-100-3658, or NIIN 001003658, (cone and rollers,tapered roller) 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, 2010008953344.
There are 18 manufacturer part numbers associated with this NSN. 10 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 25 suppliers. Today, 14 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 7 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 May 07, 2020. There have been 13 contracts issued for this part number, with 12 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 6 different suppliers. The last contract numbers awarded were: SPE4A520P5364, SPE4A520P5364, SPE4A520P5364, SPE4A619PH648, SPE4A619PB089. The total value of the awarded contracts has been US$ 8,358.76.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
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 Nov 06, 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) 00023. [AN ASSEMBLED INNER COMPONENT OF A TAPERED ROLLER BEARING, CONSISTING OF A CONE (WHICH PROVIDES A CONTACT SURFACE FOR THE ROLLING ELEMENTS OF THE BEARING), A COMPLEMENT OF TAPERED ROLLERS (THE ROLLING ELEMENTS), AND FREQUENTLY A RETAINER (WHICH SPACES THE ROLLING ELEMENTS).]. 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 3110001003658 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 Aug 01, 2025.