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 5905-01-605-3901
NSN 5935-00-813-6271
NSN 6135-01-450-3781
NSN 2925-01-228-6554
NSN 5998-01-161-8170
NSN 5910-01-503-1857
NSN 7035-00-507-5380
NSN 5855-01-040-3881
NSN 6240-01-265-0960
NSN 6145-00-224-4594
NSN 6145-01-391-6051
NSN 6105-00-847-1397