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 4140-01-393-0720
NSN 5945-00-395-2572
NSN 6145-01-152-2417
NSN 2925-00-092-6526
NSN 5910-01-243-4372
NSN 6145-01-015-9745
NSN 5905-00-452-0780
NSN 7035-01-182-1086
NSN 5998-01-382-3902
NSN 2925-01-279-1558
NSN 6220-01-481-3827
NSN 5945-01-087-8277