National Stock Number
2840-01-443-4370
National Stock Number (NSN) 2840-01-443-4370, or NIIN 014434370, (plug,turbine case,aircraft gas t) was assigned April 10, 1997 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 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 Aug 11, 2009, this NSN's acquisition method was noted as: Acquire only from the prime contractor although the engineering data identifies the Commercial and Government Entity Code (CAGE) and part number of a source other than the prime contractor. The cost to the Government to breakout this part and acquire it competitively has been determined to exceed the projected savings over the life span of the part. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 52959. [A USUALLY ROUND ITEM OF VARIOUS CROSS SECTIONS DESIGNED FOR TEMPORARY INSTALLATION INTO A HOLE IN A CASE, TURBINE, AIRCRAFT GAS TURBINE ENGINE FOR THE PURPOSE OF PREVENTING AIR FROM ESCAPING DURING ENGINE OPERATION. WHEN REMOVED, THE HOLE IS FOR INSERTING INSPECTION PROBES, BORESCOPES AND THE LIKE. IT MAY BE GROOVED OR TAPERED FOR INSTALLATION AND REMOVAL. IT MAY INCLUDE SPACERS, SPRINGS, RIVETS AND THE LIKE.]. 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 2840014434370 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 Aug 01, 2025.