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 6150-00-926-0802
NSN 6610-01-232-4802
NSN 6220-01-275-3771
NSN 5895-00-290-6501
NSN 2925-00-051-1467
NSN 6620-01-593-0817
NSN 6240-01-563-5904
NSN 5960-01-138-5897
NSN 6685-00-246-5349
NSN 5895-01-485-3600
NSN 7035-01-406-6510
NSN 4140-01-462-5289