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 6610-01-076-4800
NSN 5930-00-308-7491
NSN 5990-00-606-1475
NSN 6145-00-243-0583
NSN 4140-01-290-4026
NSN 5999-01-578-6509
NSN 5935-00-218-5845
NSN 5960-01-436-7505
NSN 6650-01-633-9147
NSN 6620-01-605-1465
NSN 6620-00-075-0131
NSN 6620-01-032-3937