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 6620-00-485-4136
NSN 5990-01-544-0364
NSN 2925-00-656-3224
NSN 5930-01-415-3111
NSN 5915-00-233-6346
NSN 5910-01-467-8948
NSN 6110-01-486-6339
NSN 5996-01-123-7977
NSN 5930-01-642-9939
NSN 7035-01-291-1770
NSN 5945-01-611-5556
NSN 7035-00-931-9415