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 4140-00-846-4786
NSN 5996-00-081-2564
NSN 5996-00-205-2701
NSN 6610-01-199-0499
NSN 5935-00-073-6263
NSN 6220-01-611-1224
NSN 5930-01-618-1930
NSN 5930-01-347-5256
NSN 5975-01-242-3617
NSN 6150-01-546-6200
NSN 4140-00-480-8190
NSN 6220-01-462-2792