National Stock Number (NSN) 2840-01-481-0336, or NIIN 014810336, (shroud segment,turbine,aircraft) was assigned December 14, 2000 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 2840013584185, 2840011465726.
There are 5 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 11 suppliers. Today, 11 suppliers are listed as Active suppliers 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, with the most recent procurement date of Nov 05, 2018. There have been 7 contracts issued for this part number, with 28 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A519F0565, SPE4A519F0649, SPE4A618F432W, SPE4A618F432W, SPE4A518F725K. The total value of the awarded contracts has been US$ 9,112,091.51.
This NSN is somewhat common among different platforms, belonging to 4 different weapons systems.
There has been very little 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 Dec 15, 2017, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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) 50603. [A STATIONARY ARCHED METAL SEGMENT USED TO ESTABLISH CLEARANCE AND A SEAL FOR THE TIP OF A BLADE, TURBINE ROTOR, AIRCRAFT GAS TURBINE ENGINE. THE INNER DIMENSION MAY HAVE OPEN HONEYCOMB OR COMPOSITION FILLED SURFACE OR MAY BE FORMED BY THE KNIFE EDGE METAL PROTRUSIONS OF A SEAL RING, LABYRINTH, 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 2840014810336 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.