NSN 4320-01-114-4594, 4320011144594
PISTON AND SHOE,PUMP

Federal Supply Classification: FSC 4320 - Power and Hand Pumps
National Item Identification Number: NIIN 011144594
Codification Country: United States
Item Name Code: INC 77777
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

Availability: Readily Available Qualified Suppliers: We have 1 qualified suppliers

Manufacture or supply this part?
Join our growing community of certified suppliers.

Let Us Know

CALL ABOUT NSN 4320-01-114-4594

Our client representatives are standing by to help fulfill your request.

+1-321-773-5710

REQUEST QUOTE for 4320-01-114-4594

Have a list that needs to be quoted? Upload it here.

Upload a List

DLMS^® Summary

National Stock Number 4320-01-114-4594

National Stock Number (NSN) 4320-01-114-4594, or NIIN 011144594, (piston and shoe,pump) was assigned June 17, 1981 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. One 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 Jan 04, 2017. There have been 5 contracts issued for this part number, with 35 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: SPE4AX14D9413, SPE4AX14D9413, SPE4AX14D9413, SPE4AX14D9413, SPE4AX14D9413. The total value of the awarded contracts has been US$ 5,195,680.67.

This NSN is fairly common among different weapons systems, belonging to 14 different platforms.

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 06, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The rights to use the data needed to purchase this part from additional sources are not owned by the Government and cannot be purchased. Valid AMCs: 1, 2, 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 4320011144594 does not contain precious metals.

This information was last updated on Aug 01, 2025.