National Stock Number
2840-00-978-9279
National Stock Number (NSN) 2840-00-978-9279, or NIIN 009789279, (seal ring,metal) has an unknown assigned date. NIIN 009789279 was cancelled on May 16, 1997, 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 assigned to Item Name Code (INC) 21205. [A CIRCULAR SHAPED ITEM DESIGNED TO BE INSTALLED IN A SPECIALLY PREPARED GROOVE OR COUNTERBORE TO PROVIDE A LOW PRESSURE SEAL. IT MAY BE SUPPLIED IN VARIOUS CROSS-SECTIONAL SHAPES. IT MAY BE SOLID OR CUT THROUGH TO ALLOW FOR INSTALLATION AND FITTING. EXCLUDES ITEMS WHOSE PRIMARY FUNCTION IS TO PROVIDE SEALING, WIPING, OR WEARING SURFACE CAPABILITIES FOR PISTON CONFIGURATIONS. SEE ALSO RING,PISTON AND RING,WIPER.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 2840009789279 contains an unknown precious metal.
This information was last updated on Apr 01, 2025.