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 5910-00-203-2119
NSN 6130-00-390-9718
NSN 7035-01-204-5092
NSN 6240-01-521-2921
NSN 4140-01-654-8054
NSN 6650-00-466-1697
NSN 5998-01-649-7574
NSN 5960-00-807-0273
NSN 5835-01-142-9233
NSN 5925-00-928-2621
NSN 4140-00-690-5288
NSN 5999-00-760-3990