Aircraft f-4
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 5855-01-180-5369
NSN 6650-01-608-6349
NSN 5910-01-303-6055
NSN 6320-01-029-4220
NSN 6620-00-189-2381
NSN 5945-01-057-2646
NSN 5950-01-312-2221
NSN 5895-01-423-1485
NSN 6650-01-275-0945
NSN 5999-01-475-3579
NSN 6105-01-104-5214
NSN 6610-00-111-3648