National Stock Number
4320-01-509-7741
National Stock Number (NSN) 4320-01-509-7741, or NIIN 015097741, (housing,liquid pump) was assigned July 2, 2003 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. One of those 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 been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 8 contracts issued for this part number, with 8 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7M125V0927, SPE7M124P6431, SPE7M124V3886, SPE7MC18V019A, SPE7M118V0793. The total value of the awarded contracts has been US$ 494,501.11.
This NSN is somewhat common among different platforms, belonging to 4 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 Dec 10, 2014, 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) 32557. [A COMPLETE ENCLOSURE WHICH PROTECTS THE INTERNAL COMPONENTS OF A PUMP, (AS MODIFIED). IT MAY OR MAY NOT INCLUDE THE INTAKE AND OUTLET PORTS OF THE PUMP. FOR HOUSINGS WHICH ENCLOSE ONLY A PORTION OF THE PUMP, SEE HOUSING SECTION, LIQUID PUMP.]. This item does not have a nuclear hardened feature but does have other critical feature(s) 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 4320015097741 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 Aug 01, 2025.