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 6145-01-429-8529
NSN 6240-01-501-5688
NSN 5910-01-537-3588
NSN 5945-01-283-2795
NSN 4140-01-154-2216
NSN 6145-01-320-2423
NSN 5960-01-198-2244
NSN 6610-01-426-5090
NSN 5855-01-472-2484
NSN 5835-00-059-5854
NSN 6620-01-589-5411
NSN 5920-01-536-1032