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 5925-00-491-2363
NSN 6320-01-323-7565
NSN 2925-01-590-3981
NSN 6650-00-420-3593
NSN 5975-01-211-4419
NSN 6620-01-467-2111
NSN 5990-01-421-3325
NSN 5950-01-653-3484
NSN 5998-00-097-3363
NSN 6320-00-937-5625
NSN 5925-01-167-5954
NSN 2925-00-660-8131