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 6620-01-271-0711
NSN 6620-01-640-6761
NSN 5920-00-524-2291
NSN 5985-00-209-2591
NSN 2925-01-334-7122
NSN 5965-01-512-1985
NSN 6110-01-024-1519
NSN 6320-01-541-7585
NSN 5985-01-420-3434
NSN 5920-01-634-0250
NSN 6130-00-596-9565
NSN 5835-00-907-4390