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 5920-01-508-4161
NSN 5935-01-237-2650
NSN 5985-00-421-3047
NSN 5996-00-270-0340
NSN 6135-01-303-0295
NSN 5905-00-820-1832
NSN 6220-01-500-1857
NSN 5996-01-472-2112
NSN 6685-00-834-4280
NSN 6320-00-937-5625
NSN 5930-01-552-2778
NSN 5905-01-556-9578