National Stock Number
2840-00-653-6655
National Stock Number (NSN) 2840-00-653-6655, or NIIN 006536655, (insulation blanket,thermal,aircr) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 3 stock numbers: 2840000403337, 2840000921958, 2840003381092.
There are 4 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 50579. [A FLEXIBLE COVERING, FABRICATED FROM APPROPRIATE INSULATING MATERIALS, DESIGNED TO REDUCE THERMAL RADIATION IN THE HOT SECTION OF AN ENGINE, GAS TURBINE, AIRCRAFT. SEE ALSO SHIELD, HEAT, AIRCRAFT GAS TURBINE ENGINE.]. 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 2840006536655 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.