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 6320-01-087-7961
NSN 6320-01-383-3257
NSN 6320-01-386-3491
NSN 7035-00-371-7749
NSN 6135-01-528-6896
NSN 6145-00-427-7201
NSN 6145-01-414-0541
NSN 5935-01-421-1802
NSN 5985-00-836-5900
NSN 5925-01-178-5210
NSN 4140-01-118-6848
NSN 5935-01-449-6492