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 5960-00-239-1995
NSN 5950-00-597-3661
NSN 2925-01-556-0333
NSN 6130-00-177-6466
NSN 5996-00-332-2438
NSN 5835-01-132-7972
NSN 6220-01-451-3056
NSN 5990-00-079-5406
NSN 6240-00-563-5846
NSN 6130-00-081-3971
NSN 5945-01-442-8081
NSN 5905-00-992-6992