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 5996-01-536-1891
NSN 5990-01-141-3562
NSN 4140-01-160-7699
NSN 5920-00-702-6694
NSN 5930-01-196-2006
NSN 6320-01-352-5653
NSN 6645-01-246-2725
NSN 6650-01-549-3099
NSN 6220-00-487-4424
NSN 5910-01-468-0221
NSN 5990-00-583-9577
NSN 5930-01-659-6374