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 5895-01-440-3201
NSN 6135-01-374-6631
NSN 5925-00-011-7011
NSN 6145-00-910-8847
NSN 5925-01-119-2007
NSN 5990-00-269-2226
NSN 4140-01-024-5862
NSN 6610-01-030-8220
NSN 5960-01-480-4380
NSN 5999-01-075-4811
NSN 5895-01-464-4164
NSN 2925-01-424-0235