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 5895-01-519-0243
NSN 5930-01-495-5716
NSN 6610-00-968-8193
NSN 6240-01-230-2679
NSN 6620-01-201-6080
NSN 5960-01-302-7583
NSN 5925-01-218-6427
NSN 5990-01-453-3552
NSN 6130-01-572-7933
NSN 6105-01-604-0856
NSN 5950-01-390-2964
NSN 6650-01-492-7809