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 6150-01-471-4200
NSN 6610-01-649-5326
NSN 6320-01-569-2672
NSN 5965-01-540-0743
NSN 5965-00-267-4173
NSN 5915-01-224-7044
NSN 5975-00-482-7386
NSN 6150-00-438-4039
NSN 6110-00-825-1652
NSN 6620-01-022-9868
NSN 4140-01-052-1378
NSN 6240-00-816-6749