National Stock Number
4320-00-177-1816
National Stock Number (NSN) 4320-00-177-1816, or NIIN 001771816, (pump,rotary) was assigned February 18, 1973 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 4320009933820, 3510008689031.
There are 8 manufacturer part numbers associated with this NSN. 5 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are 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 5 years, with the most recent procurement date of May 01, 2017. There have been 4 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE7M117P5643, SPE7M117P5158, SPE7M017P1012, SPE7M017P1011. The total value of the awarded contracts has been US$ 7,927.00.
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 Nov 18, 2008, 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) 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 4320001771816 contains an unknown precious metal.
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 Jul 01, 2025.