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 4140-01-023-1537
NSN 6650-01-267-9886
NSN 5999-01-380-7498
NSN 6135-01-176-2206
NSN 5855-01-130-1501
NSN 6645-01-509-7326
NSN 5975-00-872-7532
NSN 5855-00-862-3345
NSN 6240-01-307-8236
NSN 5998-01-388-0936
NSN 5985-01-432-2483
NSN 2925-01-412-9520