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 6610-00-315-9315
NSN 4140-01-123-8312
NSN 6650-01-420-0233
NSN 6130-01-502-9155
NSN 5920-01-531-1927
NSN 5999-01-090-0664
NSN 5990-01-386-3040
NSN 6320-00-225-7013
NSN 6620-01-521-0580
NSN 5965-00-857-1038
NSN 6135-00-686-4777
NSN 6610-00-968-8193