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 6220-00-903-6647
NSN 5998-01-212-4028
NSN 6320-01-206-8930
NSN 5965-01-378-7335
NSN 7035-00-358-0470
NSN 6130-01-634-0603
NSN 6650-00-905-9317
NSN 6650-01-406-1828
NSN 5855-00-548-4742
NSN 6220-00-350-1506
NSN 6135-00-134-6648
NSN 5960-01-567-1096