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 4140-01-568-3157
NSN 5920-01-395-0374
NSN 5965-01-167-8513
NSN 4140-00-236-3239
NSN 5950-00-260-5555
NSN 5990-00-677-3022
NSN 7035-00-541-8516
NSN 6145-01-033-7816
NSN 5935-00-865-3341
NSN 5905-01-047-2258
NSN 5905-01-386-5717
NSN 5945-01-235-9441