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 5975-01-415-0918
NSN 6620-01-525-8648
NSN 2925-01-400-2286
NSN 6130-01-170-6504
NSN 5945-01-024-7882
NSN 5945-01-053-8852
NSN 5915-01-580-0308
NSN 6135-01-518-9813
NSN 5975-00-837-2260
NSN 5998-00-571-3299
NSN 6110-00-525-3418
NSN 6645-01-008-2720