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 4140-01-534-7833
NSN 6610-00-091-7347
NSN 6320-01-054-3046
NSN 5895-01-634-0630
NSN 5835-00-794-7500
NSN 5996-01-183-9053
NSN 6320-01-192-0332
NSN 5915-01-442-6711
NSN 5925-00-617-2994
NSN 7035-00-931-9415
NSN 7035-01-423-8343
NSN 5945-01-091-3437