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 6130-01-449-1088
NSN 6320-00-993-6120
NSN 6650-01-410-7526
NSN 5920-00-312-7872
NSN 5985-01-569-0637
NSN 4140-01-065-6000
NSN 5945-01-328-3984
NSN 5950-01-477-3920
NSN 5925-01-515-5785
NSN 5835-01-242-9806
NSN 5925-01-021-9200
NSN 6645-00-492-9487