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 6110-01-237-7079
NSN 6685-00-478-7008
NSN 5910-01-110-3683
NSN 6110-01-167-8906
NSN 5855-00-327-2112
NSN 5835-01-386-4027
NSN 6610-00-118-9694
NSN 6105-01-159-4271
NSN 6240-00-935-7058
NSN 5855-01-416-8245
NSN 6610-00-446-2880
NSN 5835-01-510-1873