National Stock Number
2840-00-172-7393
National Stock Number (NSN) 2840-00-172-7393, or NIIN 001727393, (seal,air,gas turbine engine) has an unknown assigned date. NIIN 001727393 was cancelled on November 8, 1999, 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) 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 nuclear hardened feature but does have other critical feature(s) 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 2840001727393 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.