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 5925-01-423-4643
NSN 6145-01-570-6717
NSN 5975-01-278-9382
NSN 6105-01-442-3465
NSN 5895-00-900-2381
NSN 5985-01-289-2325
NSN 5996-01-578-8491
NSN 5930-00-540-9647
NSN 6220-01-481-9193
NSN 6610-01-078-3242
NSN 5945-00-037-5107
NSN 4140-01-452-9428