Used on f-4, phantom 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 5835-00-275-0584
NSN 6110-01-067-3741
NSN 5960-01-224-3850
NSN 5935-00-899-0229
NSN 5905-01-448-9664
NSN 5999-00-204-6642
NSN 5996-01-161-9408
NSN 5945-01-055-6661
NSN 6320-00-445-1187
NSN 5910-00-307-6829
NSN 6685-00-281-2415
NSN 6110-00-514-2639