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 5950-01-508-4244
NSN 5998-00-335-9051
NSN 5960-01-442-0908
NSN 6110-01-429-1067
NSN 6130-01-281-7268
NSN 6645-00-295-0625
NSN 5910-01-455-8955
NSN 5895-01-592-2970
NSN 6240-01-446-3173
NSN 6645-01-200-5289
NSN 5895-01-029-9535
NSN 5895-00-933-6886