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 6130-01-158-6139
NSN 5950-01-168-6769
NSN 4140-01-217-1511
NSN 5975-00-107-4283
NSN 6220-01-444-4261
NSN 6320-00-456-2092
NSN 5996-01-573-7953
NSN 5985-00-818-7105
NSN 6145-00-105-1239
NSN 5985-01-146-2962
NSN 5998-01-650-8492
NSN 5935-01-268-9713