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 6650-01-350-5578
NSN 5990-01-411-5930
NSN 5895-01-014-0438
NSN 5855-01-131-5166
NSN 6220-01-304-4921
NSN 5975-01-186-4268
NSN 6240-01-414-9529
NSN 5998-01-584-1590
NSN 6220-01-445-7203
NSN 4140-00-927-4328
NSN 6645-01-541-1972
NSN 6150-01-544-0692