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 4140-01-522-1671
NSN 6150-00-102-5296
NSN 7035-00-155-9513
NSN 5920-00-515-3617
NSN 6645-01-533-8408
NSN 6620-00-098-5652
NSN 6320-00-036-3688
NSN 6145-00-007-6429
NSN 5855-01-646-1585
NSN 6135-00-009-4100
NSN 6150-00-161-6865
NSN 6645-01-607-5999