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 5920-01-301-3837
NSN 5895-01-449-0912
NSN 5950-00-844-7649
NSN 5985-01-136-9252
NSN 6240-00-726-4547
NSN 6145-01-634-0388
NSN 6135-00-078-9931
NSN 5985-00-188-3380
NSN 5920-01-155-1128
NSN 5855-00-466-2309
NSN 6220-00-391-1076
NSN 2925-00-132-0361