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 5925-01-528-6976
NSN 6130-01-295-9976
NSN 5835-01-485-0210
NSN 5945-01-556-2444
NSN 6240-00-195-6308
NSN 5915-00-468-3911
NSN 5960-01-380-9692
NSN 6650-01-212-3964
NSN 6320-01-308-0009
NSN 6620-00-883-1181
NSN 5999-01-617-8413
NSN 5996-00-141-3945