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 5920-00-788-5442
NSN 2925-00-152-1825
NSN 5990-01-305-8121
NSN 5999-01-247-8731
NSN 5915-01-319-5819
NSN 6240-01-558-4538
NSN 5950-00-413-8125
NSN 5935-01-293-9052
NSN 5915-00-491-0653
NSN 5925-00-901-4931
NSN 7035-01-145-5059
NSN 5855-01-398-9548