National Stock Number
4320-01-290-0249
National Stock Number (NSN) 4320-01-290-0249, or NIIN 012900249, (valve flapper,pump) was assigned December 4, 1988 in the Federal Logistics Information System (FLIS). NIIN 012900249 was cancelled on August 24, 2011, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. 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 unique to one weapons system.
This NSN is assigned to Item Name Code (INC) 37766. [A NON-METALLIC AND/OR METALLIC, FLEXIBLE ITEM DESIGNED TO CUT OFF A FLOW AT SPECIFIC INTERVALS. THIS MAY INCLUDE ATTACHING SCREWS AND THE LIKE.]. 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 4320012900249 contains an unknown precious metal.
This information was last updated on May 01, 2025.