Any material specifically designed and constructed to resist deterioration from the action of heat, gas, chemicals or liquids and used to create a tight seal. It is supplied in loose form or in coils, spirals, spools or cut lengths, usually having a square or round cross section. For rubber items having a round cross section, see rubber round section. Excludes rope, asbestos; calking cotton; and calking lead. See also packing, preformed; and oakum.
NSN 5905-01-243-9170
NSN 6150-00-233-6356
NSN 4140-01-158-1401
NSN 5930-00-494-9915
NSN 5925-01-385-2043
NSN 6650-01-192-9075
NSN 5925-01-197-9899
NSN 6105-01-449-1862
NSN 5835-00-583-1316
NSN 5910-00-823-1998
NSN 6650-01-495-3744
NSN 5990-01-443-2931