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 6620-01-542-8709
NSN 6130-01-521-3712
NSN 5915-01-442-6050
NSN 5965-00-468-3071
NSN 5975-01-445-3869
NSN 5965-01-432-1943
NSN 5998-01-081-3597
NSN 5915-01-214-2729
NSN 5920-00-653-0019
NSN 6610-01-489-0071
NSN 5935-01-576-1108
NSN 5910-01-509-1020