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 5975-01-250-1765
NSN 5985-00-170-9097
NSN 5965-00-644-0334
NSN 5990-01-012-0613
NSN 5965-01-416-4059
NSN 6610-01-482-3558
NSN 6645-01-277-3970
NSN 5855-01-301-0158
NSN 6650-00-276-9838
NSN 6685-01-629-2436
NSN 5855-01-029-8733
NSN 6685-01-573-6443