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 5855-00-991-0096
NSN 5965-01-175-4839
NSN 5999-00-704-2878
NSN 5975-00-925-1197
NSN 5930-01-172-4223
NSN 5835-01-495-5986
NSN 5905-00-358-7581
NSN 5930-01-370-6424
NSN 6685-01-293-8655
NSN 6135-01-483-1501
NSN 5998-01-556-4250
NSN 5998-00-205-6704