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 5998-01-416-6242
NSN 6135-01-415-1163
NSN 5835-00-703-3601
NSN 6240-00-880-8700
NSN 5990-01-506-7695
NSN 5950-01-438-3824
NSN 6220-00-272-7497
NSN 7035-01-386-3004
NSN 5950-01-467-4963
NSN 5998-01-292-3025
NSN 6150-01-415-6485
NSN 6105-01-287-9756