National Stock Number
4820-01-263-9524
National Stock Number (NSN) 4820-01-263-9524, or NIIN 012639524, (piston,valve) was assigned January 1, 1994 in the Federal Logistics Information System (FLIS). NIIN 012639524 was cancelled on January 2, 1994, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4820012079905. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820012639524 does not contain precious metals.
This information was last updated on Jun 01, 2025.