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 2925-01-141-7563
NSN 5996-00-153-0268
NSN 5960-01-129-2509
NSN 5975-01-331-8196
NSN 6220-01-330-8238
NSN 5835-00-247-0161
NSN 6650-00-153-3155
NSN 6320-01-495-1244
NSN 6685-01-262-0050
NSN 5925-00-330-8778
NSN 6620-00-273-8735
NSN 4140-00-420-0251