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 5920-01-256-5830
NSN 5905-01-463-2500
NSN 5960-01-201-6316
NSN 5975-01-400-0627
NSN 5960-00-434-3193
NSN 6645-00-126-0286
NSN 5998-01-595-9630
NSN 5905-01-477-5019
NSN 6645-00-163-9580
NSN 5925-00-921-1171
NSN 5999-00-833-8143
NSN 5996-01-170-1915