National Stock Number
2840-01-257-6293
National Stock Number (NSN) 2840-01-257-6293, or NIIN 012576293, (housing,antifriction bearing,aircraft gas turbine engine) was assigned June 21, 1987 in the Federal Logistics Information System (FLIS). NIIN 012576293 was cancelled on December 2, 2004, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 2840012576302. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
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 or any other critical feature 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 2840012576293 does not contain precious metals.
This information was last updated on Jul 01, 2025.