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 5999-01-083-1371
NSN 6220-01-398-8937
NSN 6645-01-521-3180
NSN 6145-01-610-1231
NSN 6320-00-261-9136
NSN 6220-00-503-2831
NSN 6645-01-362-2587
NSN 5999-01-056-9543
NSN 5945-00-050-5971
NSN 6150-00-103-8639
NSN 5920-00-336-2475
NSN 6220-01-260-2407