National Stock Number
2840-00-169-0167
National Stock Number (NSN) 2840-00-169-0167, or NIIN 001690167, (housing,reduction gear,turbine engine) was assigned November 27, 1970 in the Federal Logistics Information System (FLIS). NIIN 001690167 was cancelled on June 2, 2009, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 2840011302970. 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, only one supplier is 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) 61694. [INC 61694 CANCELLED/REPLACED BY, INC 50347, FIIG A530F0 AND INC 50348, FIIG A113, APPL KEY A. A HOUSING DESIGNED TO ENCLOSE AND SUPPORT THE REDUCTION GEAR ASSEMBLY OF A TURBOPROP/TURBOSHAFT ENGINE. IT MAY INCLUDE BUSHINGS, STUDS, BEARING SLEEVES, AND THE LIKE.]. This item is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 2840001690167 does not contain precious metals.
This information was last updated on Aug 01, 2025.