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 6135-01-633-8502
NSN 6110-01-641-0286
NSN 5935-01-088-7072
NSN 6645-01-409-2003
NSN 6320-01-119-3935
NSN 5915-00-339-3015
NSN 5960-01-174-6975
NSN 5998-00-244-8629
NSN 5990-01-474-3477
NSN 5925-01-655-4865
NSN 5905-01-586-5320
NSN 5920-01-461-2810