National Stock Number
4320-01-538-3859
National Stock Number (NSN) 4320-01-538-3859, or NIIN 015383859, (pump,rotary) was assigned March 21, 2006 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4320013445991.
There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
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 39 contracts issued for this part number, with 39 awards given. There is heavy competition for this NSN. The US Government has awarded contracts to 12 different suppliers. The last contract numbers awarded were: SPE7M125V5817, SPE7MC25V0614, SPE7M124P7844, SPE7M124P3517, SPE7MC23V8965. The total value of the awarded contracts has been US$ 530,278.13.
There has been a moderate 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$ 79,714. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 27, 2020, 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 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) 30410. [A POSITIVE DISPLACEMENT DEVICE WHICH UTILZES THE ROTATING MOTION OF ONE OR MORE GEARS, CAMS, VANES, OR SCREWS IN AN ENCLOSURE AS A MEANS OF TRANSFERRING A LIQUID FROM ONE PLACE TO ANOTHER. IT IS DESIGNED TO BE DRIVEN MANUALLY OR BY A PRIME MOVER WHICH IS NOT AN INTEGRAL PART OF THE PUMP. EXCLUDES:AIRCRAFT ENGINE PUMPS.]. 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 4320015383859 does not contain precious metals.
This NSN is associated to Schedule B 8413600090: rotary positive displacement pumps, nesoi. 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.