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 5905-01-646-6067
NSN 6650-00-665-3658
NSN 6110-00-780-3058
NSN 6685-01-352-7241
NSN 6150-00-274-5571
NSN 5996-00-900-5251
NSN 5925-01-515-1378
NSN 5950-00-236-8139
NSN 6240-01-038-2331
NSN 6130-01-153-2265
NSN 6150-00-196-2842
NSN 5925-00-284-3726