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 5925-01-259-3603
NSN 5895-01-370-5045
NSN 2925-01-552-4313
NSN 5855-00-288-1408
NSN 6110-01-066-4036
NSN 6110-01-193-1238
NSN 5990-00-471-4962
NSN 6145-01-228-6267
NSN 5996-01-610-6641
NSN 6645-01-633-1852
NSN 5855-00-198-3197
NSN 5996-01-350-1077