National Stock Number
1660-00-903-3376
National Stock Number (NSN) 1660-00-903-3376, or NIIN 009033376, (insulation pipe covering,thermal,aircraft) was assigned February 10, 1967 in the Federal Logistics Information System (FLIS). NIIN 009033376 was cancelled on December 15, 2017, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 3 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 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 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) 51593. [AN ITEM COMPOSED OF ONE OR MORE MATERIALS, MOLDED, COMPRESSED, AND/OR BAKED INTO A RIGID COVERING OF IRREGULAR SHAPES AND SIZES. IT IS DESIGNED TO COVER AIR DUCTS AND/OR AIR DUCT FITTINGS USED IN AIR CONDITIONING, HEATING, COOLING, PRESSURIZING, DE-ICING SYSTEMS AND IN HYDRAULIC SYSTEMS TO RESTRICT THE DISSIPATION OF HEAT. IT MAY COMPLETELY OR PARTIALLY ENCASE THE ITEM FOR WHICH DESIGNED. IT MAY BE FURNISHED WITH OR WITHOUT FILLERS, CEMENT, AND/OR SEPARATE OR ATTACHED ACCESSORIES FOR INSTALLATION, (EXCLUDING FLEXIBLE AIR DUCT COVERING AND RIGID PIPE AND PIPE FITTING COVERINGS USED IN CONSTRUCTION AND BUILDING MATERIALS). EXCLUDES:INSULATION BLANKET,THERMAL,AIRCRAFT; INSULATION PIPE FITTING COVERING,THERMAL; AND INSULATION SLEEVING,THERMAL.]. This item does not have a nuclear hardened feature or any other critical feature 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 1660009033376 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.