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 5999-01-401-5322
NSN 4140-00-400-9176
NSN 5915-00-269-4463
NSN 5945-01-657-5053
NSN 5945-00-517-8782
NSN 6320-01-449-1014
NSN 6135-01-205-5965
NSN 5855-00-937-7709
NSN 6685-00-256-0240
NSN 5998-01-374-5793
NSN 5925-01-438-2983
NSN 5855-01-163-8152