National Stock Number
4820-01-267-9074
National Stock Number (NSN) 4820-01-267-9074, or NIIN 012679074, (seat,valve) was assigned November 19, 1987 in the Federal Logistics Information System (FLIS). NIIN 012679074 was cancelled on March 2, 2011, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4820010491382. This NSN replaces 1 stock number, 4820011504275.
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) 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.]. The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820012679074 does not contain precious metals.
This information was last updated on Aug 01, 2025.