National Stock Number
4320-01-643-4512
National Stock Number (NSN) 4320-01-643-4512, or NIIN 016434512, (pump,airlift) was assigned April 1, 2015 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 one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is 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 a year. There have been 13 contracts issued for this part number, with 13 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7M123V2909, SPE7M121V5688, SPE7MC19V2447, SPE7MC18V018Z, SPE7M518V012M. The total value of the awarded contracts has been US$ 488,438.00.
This NSN is unique to one weapons system.
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 Sep 06, 2018, 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) 05055. [A DEVICE FOR PUMPING A LIQUID, UTILIZING THE ACTION CAUSED BY RELEASING COMPRESSED AIR OR GAS IN THE SUBMERGED END OF A PIPE. THE AIR OR GAS AERATES THE LIQUID, CAUSING IT TO BECOME LIGHTER BY VOLUME AND IS THEREBY FORCED UPWARD IN THE PIPE BY THE SURROUNDING HEAVIER LIQUID, THUS PRODUCING A FLOW.]. 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 4320016434512 does not contain precious metals.
This NSN is associated to Schedule B 8414200000: hand- or foot-operated air pumps. The Schedule B End Use is listed as industrial engines. NAICS classification category 333912: air and gas compressor manufacturing.
This information was last updated on May 01, 2025.