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 6320-01-618-7800
NSN 5930-00-104-6148
NSN 5950-00-100-1345
NSN 5996-01-324-2449
NSN 6620-01-416-1757
NSN 6650-01-197-4585
NSN 6320-01-125-3361
NSN 6320-01-431-4359
NSN 5915-01-488-6624
NSN 6110-01-422-3783
NSN 5935-01-448-7840
NSN 6320-01-270-1419