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 6685-00-627-6102
NSN 5925-01-436-3320
NSN 6620-01-327-4111
NSN 7035-01-056-5350
NSN 6145-01-247-6922
NSN 4140-00-269-5795
NSN 6240-00-962-0525
NSN 6320-01-457-2805
NSN 5960-01-059-4192
NSN 5998-00-261-8727
NSN 5998-01-487-3833
NSN 5945-00-542-1281