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 5998-00-737-1220
NSN 5915-00-760-6999
NSN 5835-01-248-0563
NSN 7035-01-543-0236
NSN 6110-00-396-1604
NSN 4140-01-298-8193
NSN 5910-00-628-6389
NSN 5985-01-212-4957
NSN 5985-01-488-9824
NSN 5996-00-003-7957
NSN 5835-01-384-3206
NSN 6645-01-383-7362