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 6645-00-789-5210
NSN 5835-00-764-4388
NSN 6620-01-208-5915
NSN 6610-01-354-3087
NSN 6650-01-214-9728
NSN 5990-01-400-3299
NSN 6610-01-448-8904
NSN 6220-01-131-4683
NSN 6130-00-174-1656
NSN 6620-00-296-6762
NSN 6130-01-085-9555
NSN 2925-01-265-2853