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 5999-01-411-5135
NSN 6135-01-508-3784
NSN 5999-01-226-8971
NSN 5950-01-606-2922
NSN 4140-01-159-6664
NSN 6320-00-583-3104
NSN 6320-01-547-9877
NSN 6135-00-733-9665
NSN 5960-01-323-6432
NSN 6610-00-614-7943
NSN 6135-00-196-5267
NSN 5975-01-590-7090