National Stock Number
2840-00-475-0445
National Stock Number (NSN) 2840-00-475-0445, or NIIN 004750445, (shield,heat,turbine engine) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). NIIN 004750445 was cancelled on June 2, 2005, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN replaces 1 stock number, 2840000754930.
There are 2 manufacturer part numbers 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, there are no suppliers that 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) 61699. [INC 61699 CANCELLED/REPLACED BY ,INC 50357, FIIG A11300, APP-KEY A ,INC 50356, FIIG A11300, APP-KEY A , ON 042194 A RIGID ITEM, FABRICATED FROM A HEAT RESISTANT ALLOY, WITH OR WITHOUT INSULATION MATERIAL ADDED, DESIGNED TO PROTECT PARTS, AREAS OR SYSTEMS OF A TURBINE ENGINE FROM EXCESS HEAT.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 2840004750445 does not contain precious metals.
This information was last updated on Aug 01, 2025.