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 6645-00-843-8837
NSN 6220-00-127-6676
NSN 6620-01-168-8450
NSN
NSN 6650-01-554-2824
NSN 6150-01-438-7819
NSN 5950-01-088-8272
NSN 5965-00-110-3330
NSN 6105-00-664-1292
NSN 5925-00-205-2767
NSN 5925-00-474-5401
NSN 2925-01-628-7580