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 2925-01-545-2717
NSN 5935-01-410-7007
NSN 5960-01-029-2940
NSN 5975-01-378-3425
NSN 5925-00-894-8016
NSN 6620-01-426-2220
NSN 5965-00-945-3454
NSN 5990-01-395-4194
NSN 5965-00-320-7821
NSN 5945-01-023-7993
NSN 6145-01-308-6107
NSN 4140-01-019-0555