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 4140-01-131-3124
NSN 5965-00-082-8987
NSN 5975-01-634-0678
NSN 4140-01-399-2472
NSN 6130-00-598-2034
NSN 5925-00-554-4114
NSN 5950-01-045-8158
NSN 5905-00-388-6346
NSN 6105-01-454-2381
NSN 5835-01-303-6563
NSN 5950-00-786-3579
NSN 5835-01-522-1023