National Stock Number
1680-00-178-8528
National Stock Number (NSN) 1680-00-178-8528, or NIIN 001788528, (gearbox assembly,aircraft) was assigned April 4, 1969 in the Federal Logistics Information System (FLIS). NIIN 001788528 was cancelled on December 15, 2017, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN replaces 1 stock number, 1680009054808.
There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers 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) 48024. [AN ASSEMBLY OF GEARS, SHAFT AND BEARINGS WITHIN A HOUSING. IT MAY OR MAY NOT BE DESIGNED TO CHANGE DIRECTION OR ROTARY MOTION OR HAVE A TORQUE DIFFERENTIAL FROM INPUT OR OUTPUT. MAY INCLUDE A HYDRAULIC MOTOR, BRAKE AND THE LIKE. EXCLUDES:GEARBOXES THAT ARE TURBINE ENGINE DRIVEN.]. 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 1680001788528 does not contain precious metals.
This information was last updated on Jul 01, 2025.