National Stock Number
4320-01-320-1929
National Stock Number (NSN) 4320-01-320-1929, or NIIN 013201929, (clamp,diaphragm,pump) was assigned May 22, 1990 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers 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.
This part number is actively being procured by the US Government, with procurement history within the last 90 days. There have been 15 contracts issued for this part number, with 15 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: SPE7M125P7662, SPE7M125V3657, SPE7M124P9358, SPE7M124V1766, SPE7M122V068J. The total value of the awarded contracts has been US$ 183,355.30.
This NSN is somewhat common among different platforms, belonging to 6 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. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 65,336. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 27, 2019, 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) 77777. 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 4320013201929 does not contain precious metals.
This NSN is associated to Schedule B 7403220000: unwrought copper-tin based alloys (bronze). The Schedule B End Use is listed as copper.
This information was last updated on Jul 01, 2025.