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 4140-01-499-8906
NSN 5965-01-184-2477
NSN 6610-00-393-5170
NSN 5999-01-078-4830
NSN 6685-01-132-7474
NSN 6135-01-492-5717
NSN 5835-01-082-8841
NSN 5920-00-229-5236
NSN 5996-01-007-9421
NSN 5945-01-032-8496
NSN 5935-01-527-0711
NSN 6220-01-316-5355