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 6610-00-883-5160
NSN 5895-01-582-1435
NSN 5965-01-625-9234
NSN 6650-01-094-6876
NSN 5935-00-243-6780
NSN 5925-01-019-5138
NSN 6135-01-054-2462
NSN 5975-01-603-7305
NSN 6650-01-469-5651
NSN 5905-01-399-4549
NSN 5985-01-485-0509
NSN 6610-01-342-0889