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 6620-01-521-9710
NSN 2925-01-013-0413
NSN 5930-01-251-2764
NSN 5945-01-240-3012
NSN 6240-01-633-9357
NSN 5905-00-730-1344
NSN 5985-01-050-9518
NSN 6240-00-082-1142
NSN 5920-00-281-2488
NSN 5985-01-180-5714
NSN 5905-01-534-2483
NSN 5905-00-020-7944