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 4140-00-501-7833
NSN 5920-01-129-5886
NSN 6130-01-223-5213
NSN 5920-00-413-3341
NSN 6645-00-996-5878
NSN 5950-00-371-3756
NSN 5835-01-531-0379
NSN 5930-00-473-0570
NSN 5998-01-489-7092
NSN 5930-01-352-5428
NSN 5996-01-200-1582
NSN 4140-01-347-0060