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 5960-00-780-5521
NSN 6110-01-485-3312
NSN 5950-01-444-2902
NSN 5905-00-516-2871
NSN 6150-01-481-3634
NSN 6145-00-851-1957
NSN 5915-01-188-5568
NSN 5855-01-150-9970
NSN 5985-01-574-0945
NSN 5950-01-231-4551
NSN 6650-00-393-0447
NSN 6650-00-829-4122