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 5925-01-143-7216
NSN 4140-00-203-3821
NSN 6240-01-553-8992
NSN 6320-00-857-4073
NSN 6105-00-441-4847
NSN 5985-00-419-0342
NSN 6610-00-973-2453
NSN 5895-01-476-4132
NSN 5925-01-154-6796
NSN 6620-00-220-2157
NSN 5930-00-414-3128
NSN 6645-01-239-8133