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 5996-01-574-0898
NSN 5920-00-581-4538
NSN 5920-01-570-0011
NSN 4140-00-319-0756
NSN 5910-01-071-5101
NSN 6620-01-182-2853
NSN 5925-00-295-3040
NSN 5925-00-760-6350
NSN 6150-01-442-3719
NSN 2925-01-333-6346
NSN 7035-00-574-4223
NSN 6610-00-998-4478