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 4140-01-233-1517
NSN 5925-01-072-3867
NSN 5975-01-081-2238
NSN 6240-01-571-7706
NSN 6150-01-418-6012
NSN 5895-01-507-0282
NSN 6135-01-195-5343
NSN 6240-01-460-2097
NSN 6220-01-626-1074
NSN 5999-01-467-9442
NSN 5985-01-298-5833
NSN 5905-01-440-2343