Used on b-1b, bomber aircraft
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.
NSN 5855-01-147-6024
NSN 5965-01-373-6457
NSN 6685-00-768-7633
NSN 5975-01-195-5072
NSN 6220-01-285-7080
NSN 5920-00-728-6625
NSN 4140-01-398-5958
NSN 4140-01-014-3454
NSN 6105-00-265-7545
NSN 5998-00-003-3956
NSN 5905-01-435-0061
NSN 7035-00-436-1229