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 5985-01-632-6877
NSN 5998-01-209-5521
NSN 5999-01-262-2957
NSN 6650-00-292-9106
NSN 6650-00-150-6885
NSN 5920-01-634-0250
NSN 5960-01-290-2604
NSN 4140-00-449-7345
NSN 6135-01-061-1862
NSN 6645-01-142-2416
NSN 5998-01-449-1075
NSN 6145-01-501-6174