Cognizant service: navy;
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 and de-icing 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.
Classification: Other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof)
NSN 5996-00-265-6573
NSN 6105-01-487-5072
NSN 7035-01-528-7870
NSN 6620-01-605-1465
NSN 5925-01-100-0970
NSN 5925-00-439-4025
NSN 5935-01-036-4704
NSN 7035-00-631-3782
NSN 6110-00-167-7522
NSN 2925-01-467-7672
NSN 5910-00-334-8756
NSN 6220-01-415-0553