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 6150-00-430-0651
NSN 2925-01-532-0781
NSN 5835-00-286-5432
NSN 5990-01-133-0351
NSN 5985-01-495-1449
NSN 5975-00-606-4298
NSN 5915-01-630-5696
NSN 5855-00-586-6255
NSN 5965-00-280-4182
NSN 6220-01-621-8757
NSN 6105-00-946-1075
NSN 6135-01-538-7272