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 6620-01-270-7772
NSN 5835-01-632-6627
NSN 4140-00-501-7833
NSN 5960-00-140-9583
NSN 5905-01-552-8271
NSN 6220-01-250-7228
NSN 6110-00-822-4411
NSN 5905-01-104-5137
NSN 6610-00-873-6461
NSN 6145-01-632-5968
NSN 2925-01-243-0328
NSN 7035-01-107-2811