8.380 in. O/a lg, 5.830 in. O/a w, 2.460 in. O/a od
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 5915-00-137-0928
NSN 6610-00-388-0094
NSN 6320-01-308-0009
NSN 6150-00-811-5881
NSN 6110-01-468-0428
NSN 5985-01-327-3601
NSN 5895-01-574-1771
NSN 5996-00-225-7737
NSN 5975-00-499-0791
NSN 5905-01-412-8017
NSN 6620-01-326-4451
NSN 5835-01-027-1828