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 5905-00-150-8601
NSN 6220-00-925-4645
NSN 5999-00-906-7286
NSN 6685-01-320-2631
NSN 5935-01-443-3775
NSN 2925-01-448-2880
NSN 6240-01-467-0751
NSN 6105-01-081-0085
NSN 6610-01-287-9814
NSN 4140-00-257-5215
NSN 6645-01-258-5558
NSN 6685-01-261-2983