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 6220-01-237-2488
NSN 6645-01-045-1075
NSN 5930-00-991-3272
NSN 5990-01-633-9503
NSN 5935-01-291-6899
NSN 6650-01-440-5947
NSN 5925-01-429-0392
NSN 5975-00-705-6645
NSN 5999-00-753-7450
NSN 5998-01-265-7077
NSN 5835-00-222-3956
NSN 5950-01-214-2347