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 4140-00-078-9357
NSN 5975-01-165-5970
NSN 6220-00-121-7541
NSN 5960-01-632-6576
NSN 6220-01-304-1566
NSN 6220-01-392-1429
NSN 5945-01-446-3247
NSN 6150-01-481-0873
NSN 6145-01-167-6564
NSN 5935-00-312-6030
NSN 6105-00-936-3210
NSN 5920-00-336-2475