National Stock Number
2840-00-055-6462
National Stock Number (NSN) 2840-00-055-6462, or NIIN 000556462, (chamber,combustion,aircraft gas) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). 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 Jul 22, 2019, 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 annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 50337. [THE PORTION OF AN ENGINE, GAS TURBINE, AIRCRAFT IN WHICH FUEL IS BURNED. IT MAY BE AN ANNULAR TYPE IN WHICH THE SPACE BETWEEN THE CIRCULAR INNER AND OUTER CYLINDERS FORM THE BURNING CHAMBER OR IT MAY BE THE MULTI-ARRANGEMENT CAN TYPE IN WHICH SEPARATE CAN LIKE BURN CYLINDERS ARE POSITIONED IN A CIRCULAR ARRANGEMENT WITHIN AN INNER AND OUTER CASE.]. This item does not have a nuclear hardened feature but does have other critical feature(s) 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 2840000556462 does not contain precious metals.
This information was last updated on Aug 01, 2025.