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 5998-01-421-6462
NSN 5910-01-134-9301
NSN 5996-00-421-8429
NSN 6135-01-297-2308
NSN 6130-00-509-1591
NSN 5950-00-961-9600
NSN 6650-01-524-4231
NSN 6320-00-004-9158
NSN 5930-00-274-0060
NSN 6685-01-218-9171
NSN 6105-00-068-3494
NSN 6240-01-538-5321