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 5895-01-523-1524
NSN 6135-00-753-2276
NSN 5905-00-171-1929
NSN 5950-01-394-0085
NSN 6650-01-115-7981
NSN 5960-00-777-1085
NSN 6620-01-274-3423
NSN 5996-00-558-6491
NSN 2925-01-389-6874
NSN 6685-01-140-1071
NSN 5990-00-770-6975
NSN 6105-01-459-7902