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 6620-01-309-1287
NSN 5930-00-291-0852
NSN 5999-01-645-6863
NSN 5895-01-112-9000
NSN 6620-00-273-8735
NSN 5950-01-046-0778
NSN 4140-01-132-9450
NSN 6645-01-322-8431
NSN 5990-01-507-7495
NSN 6620-01-294-1044
NSN 6240-01-305-0908
NSN 6645-00-216-6126