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 4140-01-003-2501
NSN 5855-01-138-4985
NSN 6620-00-233-6839
NSN 2925-00-617-0826
NSN 5935-01-607-4374
NSN 6620-00-689-4456
NSN 5935-00-887-6486
NSN 6685-01-036-0455
NSN 5999-00-862-3437
NSN 5855-01-035-2866
NSN 5996-01-534-2175
NSN 5950-01-006-8252