National Stock Number
2840-01-174-4957
National Stock Number (NSN) 2840-01-174-4957, or NIIN 011744957, (seal ring,labyrinth) has an unknown assigned date. NIIN 011744957 was cancelled on September 2, 1990, with a cancelled status of "Item is Cancelled WITHOUT Replacement." 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) 40263. [INC 40263 CANCELLED/REPLACED BY ,INC 50600, FIIG A10700, APP-KEY H ,INC 50599, FIIG A10700, APP-KEY H , ON 041394 AN ITEM OF SINGLE PIECE METAL CONSTRUCTION USED TO FORM A TIGHT AIR SEAL AROUND A GAS TURBINE SHAFT.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 2840011744957 does not contain precious metals.
This information was last updated on Aug 01, 2025.