Box "a", 7 feet length
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 5999-01-425-1377
NSN 5935-00-980-0434
NSN 6135-00-583-3966
NSN 6650-00-159-7117
NSN 6110-01-511-8074
NSN 6105-00-958-7328
NSN 7035-01-157-0028
NSN 5990-00-557-8726
NSN 5985-01-503-5181
NSN 4140-01-616-6084
NSN 6145-00-928-9103
NSN 5925-01-218-6427