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 5990-00-082-3107
NSN 6645-00-935-7046
NSN 6620-01-559-1921
NSN 6150-01-612-4757
NSN 5895-01-461-0970
NSN 5998-01-406-4916
NSN 5975-00-935-5946
NSN 6105-00-733-6060
NSN 5925-01-504-4765
NSN 2925-01-583-5619
NSN 2925-01-504-3058
NSN 6130-00-557-8976