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 6620-01-368-2723
NSN 5998-01-328-8288
NSN 6105-01-210-6542
NSN 5950-01-616-1925
NSN 6645-01-251-7887
NSN 5930-00-343-6755
NSN 6650-00-409-3139
NSN 5999-01-048-3606
NSN 6240-00-908-5069
NSN 6610-01-107-2658
NSN 5855-00-174-3482
NSN 5915-00-478-7834