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 5905-00-385-9337
NSN 5905-01-320-5340
NSN 5855-00-944-0949
NSN 5925-01-529-6836
NSN 4140-01-165-0566
NSN 5990-01-300-7801
NSN 6220-01-070-0826
NSN 5910-00-616-7116
NSN 6150-01-649-7455
NSN 5990-00-327-4006
NSN 5835-01-580-0446
NSN 6135-01-116-3385