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 5895-00-254-1918
NSN 5925-01-448-9590
NSN 5910-01-181-5677
NSN 5960-01-114-9646
NSN 6110-01-090-0804
NSN 6620-01-463-1373
NSN 5925-01-117-4792
NSN 5990-00-419-0236
NSN 6645-01-507-7040
NSN 6105-01-322-7653
NSN 5930-01-433-2806
NSN 5998-01-301-4873