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 6240-01-414-6074
NSN 6220-01-165-1981
NSN 5985-00-883-1163
NSN 5920-00-257-2950
NSN 5975-01-453-4778
NSN 5915-01-242-9686
NSN 5945-01-206-4013
NSN 6645-00-928-7208
NSN 6130-01-146-4590
NSN 5965-01-381-2998
NSN 5910-01-435-2685
NSN 6145-01-214-5374