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 5975-01-126-4755
NSN 5999-00-758-1995
NSN 5925-01-254-2578
NSN 2925-00-800-4685
NSN 6620-00-843-5336
NSN 5990-01-349-8132
NSN 5910-00-100-5784
NSN 5835-01-224-2792
NSN 5998-00-788-3260
NSN 5835-00-233-6327
NSN 5925-01-046-4918
NSN 5925-00-825-2753