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 5950-01-118-0419
NSN 6620-01-335-2443
NSN 7035-01-381-7622
NSN 5990-00-924-4167
NSN 5985-01-481-3752
NSN 7035-01-250-5744
NSN 5945-01-169-2193
NSN 5950-01-477-0547
NSN 6130-00-153-9468
NSN 2925-00-856-0115
NSN 5920-00-481-1419
NSN 5930-00-080-5480