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 6220-01-154-3213
NSN 7035-00-054-1057
NSN 2925-01-254-3068
NSN 6110-00-363-3974
NSN 6320-00-360-1744
NSN 5999-00-833-2317
NSN 5925-01-406-2879
NSN 5915-01-561-7558
NSN 5985-00-905-6609
NSN 5835-01-408-7576
NSN 6645-00-467-6094
NSN 5950-01-645-4821