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 5990-01-649-4647
NSN 5905-01-574-0359
NSN 5945-00-518-5248
NSN 5925-00-434-2999
NSN 5998-00-327-4390
NSN 6220-00-397-6910
NSN 6220-01-031-3263
NSN 6320-00-731-6134
NSN 5930-00-618-0012
NSN 6240-00-954-0124
NSN 5930-01-029-3643
NSN 6620-01-286-6769