National Stock Number
1660-00-918-0568
National Stock Number (NSN) 1660-00-918-0568, or NIIN 009180568, (insulation pipe covering,thermal) was assigned January 1, 1960 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
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 critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1660009180568 contains an unknown precious metal.
This NSN is associated to Schedule B 8803300060: other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof). The Schedule B End Use is listed as parts for military-type goods. NAICS classification category 336413: other aircraft parts and auxiliary equipment manufacturing.
This information was last updated on Jul 01, 2025.