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 4140-01-329-1321
NSN 5945-01-461-7798
NSN 5975-00-872-2183
NSN 5930-01-135-1716
NSN 6150-00-593-5199
NSN 5965-01-555-8007
NSN 5960-00-985-2783
NSN 5905-00-605-1523
NSN 5996-00-208-6023
NSN 6130-01-613-4301
NSN 6320-01-429-9871
NSN 6650-01-158-6888