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 5999-00-688-6985
NSN 5999-01-442-4357
NSN 6150-00-419-0505
NSN 6610-01-460-8898
NSN 5960-01-444-8163
NSN 5910-00-775-6010
NSN 5950-00-905-5430
NSN 5930-01-492-1796
NSN 6685-01-332-1862
NSN 6240-01-526-6573
NSN 6135-01-056-4609
NSN 6240-00-956-6424