National Stock Number
2840-00-523-3399
National Stock Number (NSN) 2840-00-523-3399, or NIIN 005233399, (seal,air,gas turbine engine) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 005233399 was cancelled on July 2, 1999, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 2840001300098. This NSN replaces 1 stock number, 2840006113810.
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) 40964. [INC 40964 CANCELLED/REPLACED BY ,INC 50596, FIIG A10700, APP-KEY H ,INC 50595, FIIG A10700, APP-KEY H , ON 080996 A RIGID METALLIC ITEM, GENERALLY CIRCULAR, DESIGNED TO PREVENT LEAKAGE OR BYPASS OF AIR IN AN ENGINE, GAS TURBINE. IT MAY BE OF VARIOUS CROSS-SECTIONAL SHAPES. IT CAN BE LOCATED ON THE ROTOR OR AROUND THE INTERNAL PERIPHERY OF THE CASE AND MAY HAVE MOUNTING FACILITIES. IT MAY BE FORMED OF SEGMENTED ARCS.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 2840005233399 does not contain precious metals.
This information was last updated on Jul 01, 2025.