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 5925-01-473-1924
NSN 6130-01-254-3934
NSN 6105-01-210-3153
NSN 5999-00-529-0157
NSN 6320-01-531-3597
NSN 6650-00-269-5000
NSN 5915-01-074-1566
NSN 5975-01-264-0019
NSN 2925-01-146-0278
NSN 6685-01-344-4452
NSN 5935-01-345-8572
NSN 6320-00-336-9123