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 6320-01-275-2147
NSN 5920-00-140-8912
NSN 6620-01-538-7174
NSN 5935-01-180-8593
NSN 6645-00-084-2774
NSN 6220-01-157-9062
NSN 5895-00-173-7881
NSN 5960-00-840-7103
NSN 6145-01-495-0942
NSN 6650-00-283-0978
NSN 5920-01-541-9171
NSN 5990-01-380-4884