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 5855-00-256-5562
NSN 5985-01-375-1940
NSN 6610-01-406-6696
NSN 6620-00-912-9623
NSN 5835-01-388-5198
NSN 5996-00-333-5182
NSN 5895-01-160-8101
NSN 6645-01-508-0345
NSN 5990-00-085-4299
NSN 6110-00-174-1653
NSN 5945-00-710-2854
NSN 6145-01-634-0388