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 5925-01-023-9768
NSN 5920-01-358-5970
NSN 6220-00-149-0977
NSN 5920-01-457-8398
NSN 5985-01-440-1781
NSN 5925-00-720-1354
NSN 2925-00-684-7708
NSN 6240-01-162-5941
NSN 5935-01-194-0081
NSN 5895-00-081-2219
NSN 7035-01-223-4097
NSN 6685-01-203-2160