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 6240-01-487-3840
NSN 5935-00-636-5989
NSN 5996-00-032-3592
NSN 5996-01-178-4724
NSN 7035-00-371-7749
NSN 6610-01-058-2366
NSN 6320-01-064-0372
NSN 6685-01-539-1529
NSN 5930-01-292-7098
NSN 6145-01-194-6505
NSN 6650-01-481-8009
NSN 5920-00-052-9816