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 4140-00-060-4052
NSN 5965-01-055-0102
NSN 5835-01-481-4204
NSN 6645-01-011-0419
NSN 6105-01-362-0423
NSN 5910-01-449-0037
NSN 5999-01-063-6189
NSN 5910-01-125-6762
NSN 6145-01-263-1288
NSN 6220-00-957-8121
NSN 5835-00-016-3671
NSN 5935-00-402-9241