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 6620-01-492-4271
NSN 5920-01-508-0134
NSN 5975-01-161-3381
NSN 6135-00-080-9176
NSN 5945-01-599-4910
NSN 5998-00-851-9882
NSN 6620-01-533-1059
NSN 2925-01-600-2309
NSN 6610-01-488-8954
NSN 5920-00-257-2950
NSN 6650-01-183-0711
NSN 4140-01-415-3907