National Stock Number
2840-00-141-5638
National Stock Number (NSN) 2840-00-141-5638, or NIIN 001415638, (hub,turbine,aircraft gas turbine) was assigned January 12, 1973 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 2840001418372.
There are 2 manufacturer part numbers associated with this NSN. One of those 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, only one supplier is deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 14, 2007, 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 has been designated a high-reliability part under a formal reliability program. Probability of failure would be unacceptable from the standpoint of safety of personnel and/or equipment. The cognizant engineering activity has determined that data to define and control reliability limits cannot be obtained nor is it possible to draft adequate specifications for this purpose. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 50577. [A COMPONENT OF A ROTOR, TURBINE, AIRCRAFT GAS TURBINE ENGINE. IT IS DESIGNED TO ATTACH TO THE FRONT AND/OR REAR OF THE ROTOR PROVIDING SUPPORT, ALIGNMENT, AND A MEANS OF ATTACHMENT FOR A SHAFT, TURBINE, AIRCRAFT GAS TURBINE ENGINE. IT MAY HAVE PROVISIONS FOR INSTALLING BEARINGS, AND/OR OIL AND AIR SEALS. SEE ALSO DISK AND HUB, TURBINE, AIRCRAFT GAS TURBINE ENGINE.]. 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 2840001415638 does not contain precious metals.
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 Jul 01, 2025.