National Stock Number
2825-01-407-4640
National Stock Number (NSN) 2825-01-407-4640, or NIIN 014074640, (turbine rotor,turbine engine,ste) was assigned January 28, 1995 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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 2 suppliers. 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 20, 1999, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 41746. [AN ITEM CONSISTING OF A SERIES OF BLADES FASTENED TOGETHER ON DISKS MOUNTED ON A CENTRAL SHAFT, OR A SERIES OF CURVED BLADES MOUNTED ON AN INTEGRAL PART OF THE DISK ON THE SHAFT, SET AT AN ANGLE AND EXTENDING RADIALLY FROM THE DISK OR EXTENDING FROM THE AXIS OF ROTATION TO THE RIM OF THE DISK. IT IS DESIGNED TO RECEIVE ENERGY TO OBTAIN ROTARY MOTION BY EXPANSION OF STEAM CREATING KINETIC ENERGY WHICH IS THEN PARTIALLY ABSORBED BY CAUSING THE STEAM TO ACT ON BLADES CAUSING ROTARY MOTION TO THE TURBINE ROTOR WHICH, THROUGH A MAIN REDUCTION GEAR, TURNS THE SHAFT DELIVERING WORKING ENERGY.]. 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 2825014074640 does not contain precious metals.
This NSN is associated to Schedule B 8406900040: parts for steam turbines. The Schedule B End Use is listed as industrial engines. NAICS classification category 333611: turbine and turbine generator set units manufacturing.
This information was last updated on Aug 01, 2025.