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 6240-01-257-9004
NSN 5930-00-952-4848
NSN 2925-00-035-5633
NSN 5835-00-481-5860
NSN 5920-01-463-8286
NSN 5905-01-178-5084
NSN 6645-01-123-9277
NSN 6150-01-567-2632
NSN 5945-00-853-7568
NSN 6650-00-287-5868
NSN 5835-01-566-5462
NSN 5920-01-095-7653