National Stock Number
4820-01-280-4255
National Stock Number (NSN) 4820-01-280-4255, or NIIN 012804255, (piston,valve) was assigned June 9, 1988 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 one supplier. 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.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Apr 15, 2010. There have been 2 contracts issued for this part number, with 2 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPM7M010V1389, SPM7M010V1037. The total value of the awarded contracts has been US$ 837.98.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 36944. [A CYLINDRICAL ITEM OF VARIOUS CONFIGURATIONS WHICH RECIPROCATES IN A VALVE BODY, ASSISTING IN THE MOVEMENT OF THE DISK TO OPEN OR CLOSE A VALVE. MAY INCLUDE ADDITIONAL COMPONENTS SUCH AS RING(S), COLLAR(S), SPRING(S) AND THE LIKE. EXCLUDES DISK, VALVE.]. 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 4820012804255 does not contain precious metals.
This information was last updated on Aug 01, 2025.