National Stock Number
2840-00-939-3451
National Stock Number (NSN) 2840-00-939-3451, or NIIN 009393451, (housing,antifriction bearing,aircraft gas turbine engine) was assigned November 3, 1965 in the Federal Logistics Information System (FLIS). NIIN 009393451 was cancelled on April 2, 1998, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 2840005303263. 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) 50345. [A HOUSING DESIGNED TO SURROUND, RETAIN, SUPPORT, AND PROTECT AN ANTIFRICTION BEARING MOUNTED ON A SHAFT, TURBINE, AIRCRAFT GAS TURBINE ENGINE. IT MAY ALSO ACT AS A SUMP TO COLLECT THE LUBRICANT TO BE PUMPED BACK TO THE TANK.]. 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 2840009393451 does not contain precious metals.
This information was last updated on Aug 01, 2025.