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 6320-01-202-8761
NSN 6610-01-161-4835
NSN 6650-01-409-1992
NSN 6110-01-359-8715
NSN 2925-00-236-9986
NSN 5915-00-218-6513
NSN 5930-00-375-5674
NSN 5950-01-159-0825
NSN 5920-01-519-4512
NSN 5910-00-784-7851
NSN 5985-00-316-3390
NSN 5935-01-367-3109