3.510 in. Approx lg, 1.760 in. Approx dia
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 5895-00-209-9766
NSN 7035-00-529-3128
NSN 4140-01-513-0379
NSN 5905-01-433-2524
NSN 5920-01-479-5808
NSN 6610-00-186-9180
NSN 6650-01-651-6221
NSN 5975-01-078-6216
NSN 6320-01-170-4068
NSN 5985-01-566-3447
NSN 5965-00-194-9428
NSN 5855-01-571-2658