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 5999-01-250-3266
NSN 6220-01-518-2433
NSN 6105-00-105-2443
NSN 4140-00-196-7139
NSN 6610-00-805-5302
NSN 5915-00-098-8844
NSN 6610-01-140-3634
NSN 6610-01-633-8931
NSN 5915-01-198-3921
NSN 5996-01-190-5160
NSN 5950-01-573-6434
NSN 5935-00-004-6305