National Stock Number
4320-01-121-6246
National Stock Number (NSN) 4320-01-121-6246, or NIIN 011216246, (sleeve,shaft,pump) was assigned November 6, 1981 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4320003933513.
There are 93 manufacturer part numbers associated with this NSN. 63 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 15 suppliers. Today, 10 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 9 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 Jul 29, 2014. 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: SPE7M314M5295, SPE7M114M5033. The total value of the awarded contracts has been US$ 1,081.64.
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 Jan 01, 2021, 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) 61082. [A TUBULAR SHAPED METALLIC ITEM DESIGNED TO PROVIDE A REPLACEABLE WEARING SURFACE FOR A CENTRIFUGAL PUMP SHAFT. SEE ALSO BEARING, SLEEVE; BUSHING, SLEEVE; AND SPACER, SLEEVE.]. 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 4320011216246 does not contain precious metals.
This NSN is associated to Schedule B 8413919520: parts, nesoi, of pumps for liquids. The Schedule B End Use is listed as industrial engines. NAICS classification category 333911: pump and pumping equipment manufacturing.
This information was last updated on Jul 01, 2025.