National Stock Number
2840-00-152-2456
National Stock Number (NSN) 2840-00-152-2456, or NIIN 001522456, (gearbox,accessory drive,turbine) was assigned March 24, 1971 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 2840009120588.
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 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 1991, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 61690. [A COMPLETE ASSEMBLY OF GEARS, BEARINGS, SHAFTS, SEALS, AND NECESSARY MISCELLANEOUS PARTS, ENCASED IN A HOUSING, DESIGNED FOR DRIVING AND/OR ATTACHING VARIOUS AIRCRAFT OR ENGINE ACCESSORIES AND COMPONENTS.]. 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 2840001522456 contains silver.
This NSN is associated to Schedule B 8411997050: parts of gas turbine aircraft engines, other than for use in civil aircraft. The Schedule B End Use is listed as engines and turbines for military aircraft. NAICS classification category 336412: aircraft engine and engine parts manufacturing.
This information was last updated on Aug 01, 2025.