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 4140-01-459-1184
NSN 5960-01-347-0751
NSN 5998-01-421-3503
NSN 5925-01-341-8166
NSN 5930-00-762-2825
NSN 6135-01-282-4326
NSN 5935-01-450-4314
NSN 6145-01-554-4755
NSN 6240-00-221-0859
NSN 6650-00-628-2018
NSN 6105-00-310-7184
NSN 5930-01-057-0506