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 5855-00-185-1560
NSN 2925-01-422-1542
NSN 5960-00-136-7046
NSN 5996-01-493-9908
NSN 5999-00-841-1568
NSN 5910-00-843-4546
NSN 5999-01-298-1991
NSN 5910-01-181-5677
NSN 6620-01-369-5876
NSN 5915-01-139-5441
NSN 5920-00-918-7550
NSN 6110-00-650-4441