4.500 in.Lg, 1/2 shell for 2.000 in.Dia tube, tg 6000 insulation, 0.250 in.Thk, al foil cover;
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 5950-00-403-7643
NSN 5920-01-026-2559
NSN 5998-00-671-1242
NSN 6145-00-262-3345
NSN 5915-01-160-8175
NSN 6620-01-486-8002
NSN 6110-01-042-4117
NSN 2925-01-185-9144
NSN 5930-01-512-2033
NSN 2925-01-412-9520
NSN 6145-01-526-1651
NSN 6130-01-502-0379