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 6685-01-381-7207
NSN 5985-01-389-1927
NSN 6620-00-618-1765
NSN 6240-00-755-6904
NSN 6650-01-348-5448
NSN 6320-00-270-8222
NSN 5945-01-147-4484
NSN 5910-01-206-4641
NSN 6130-01-480-9852
NSN 5855-01-461-2741
NSN 5855-00-832-9341
NSN 5960-01-570-8605