National Stock Number
2805-00-453-9112
National Stock Number (NSN) 2805-00-453-9112, or NIIN 004539112, (rotor,engine poppet valve) was assigned April 11, 1969 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 22200. [A SPRING LOADED METALLIC DEVICE WHICH IS SPECIFICALLY DESIGNED TO ROTATE THE POPPET VALVES OF AN INTERNAL COMBUSTION ENGINE TO PREVENT UNEVEN WEAR AND/OR DISTORTION OF THE VALVE SEATING SURFACE. SEE ALSO SEAT, HELICAL COMPRESSION SPRING.]. 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 2805004539112 contains an unknown precious metal.
This NSN is associated to Schedule B 8481909090: parts of taps, cocks, valves and similar appliances, nesoi. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332911: industrial valve manufacturing.
This information was last updated on Jul 01, 2025.