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 4140-00-226-9807
NSN 6650-01-159-0224
NSN 5930-01-437-5337
NSN 5999-01-534-9682
NSN 5985-01-178-2652
NSN 6620-00-500-0041
NSN 4140-01-342-3081
NSN 5965-00-868-8711
NSN 5930-01-483-4553
NSN 6135-01-334-3935
NSN 6650-01-570-0430
NSN 5855-00-135-9064