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 5855-00-933-4411
NSN 5999-00-043-0303
NSN 5935-00-583-1687
NSN 5985-01-634-0635
NSN 6220-00-189-6561
NSN 6685-01-328-4012
NSN 6135-01-297-5565
NSN 5920-01-034-8031
NSN 5990-00-982-3447
NSN 5905-01-407-1544
NSN 6620-00-314-7989
NSN 6220-01-581-4801