National Stock Number
4820-01-345-5675
National Stock Number (NSN) 4820-01-345-5675, or NIIN 013455675, (seat,valve) was assigned September 21, 1991 in the Federal Logistics Information System (FLIS). NIIN 013455675 was cancelled on January 2, 2015, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4820010518366. 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 somewhat common among different platforms, belonging to 4 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 02, 2020, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 22113. [A REPLACEABLE ITEM DESIGNED TO PROVIDE A STATIONARY SEATING SURFACE FOR A MATING, MOVEABLE ITEM SUCH AS A VALVE DISK OR THE LIKE. THE BODY MAY HAVE A FLANGE OF VARIOUS SHAPES. FOR DIESEL AND GASOLINE RECIPROCATING ENGINES, SEE INSERT, ENGINE VALVE SEAT.]. 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 4820013455675 does not contain precious metals.
This information was last updated on Jun 01, 2024.