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 6150-01-069-2263
NSN 5930-01-099-9574
NSN 6135-01-219-8612
NSN 6220-00-581-3858
NSN 6620-01-364-7461
NSN 5945-00-933-0513
NSN 5855-01-555-3354
NSN 5910-01-612-9324
NSN 2925-01-472-4423
NSN 5998-00-016-2360
NSN 5910-00-135-7119
NSN 5855-00-586-6255