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 2925-01-331-5039
NSN 6130-01-275-9400
NSN 5935-01-170-4158
NSN 6645-01-623-4199
NSN 6620-01-648-1594
NSN 5998-00-925-2567
NSN 5999-01-631-7664
NSN 6240-01-361-8344
NSN 5855-00-361-0167
NSN 6105-00-958-7328
NSN 5945-00-294-4869
NSN 6110-01-448-4265