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 6110-01-209-6906
NSN 5990-00-438-5587
NSN 6135-01-104-3790
NSN 5935-01-193-5708
NSN 6650-00-234-3275
NSN 5915-00-239-3207
NSN 5855-00-494-9581
NSN 5915-01-425-0257
NSN 5965-01-375-5238
NSN 5960-00-140-9583
NSN 5996-01-255-0397
NSN 4140-00-974-0128