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 4140-01-056-4453
NSN 5895-01-135-0189
NSN 5960-01-068-0924
NSN 5855-01-356-5284
NSN 7035-01-406-4146
NSN 6620-00-533-0536
NSN 5925-01-356-4521
NSN 6240-00-952-1906
NSN 2925-01-463-8856
NSN 6105-00-104-2750
NSN 5960-01-112-0721
NSN 5965-01-633-8849