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 6240-01-210-4217
NSN 5935-01-514-5382
NSN 6220-00-285-8104
NSN 5975-01-184-4447
NSN 4140-01-616-6084
NSN 5925-00-117-8115
NSN 5925-01-373-6964
NSN 6135-00-170-8819
NSN 5930-00-650-4639
NSN 6130-01-494-8726
NSN 5835-01-604-7489
NSN 6320-01-440-8771