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 6320-00-149-7570
NSN 5950-01-463-2509
NSN 6220-00-312-2007
NSN 6240-01-659-6363
NSN 6220-01-469-7753
NSN 6110-00-961-1100
NSN 6650-01-296-0883
NSN 5915-01-521-9486
NSN 5998-01-649-7053
NSN 5895-01-421-0798
NSN 5925-00-839-0293
NSN 2925-01-184-5201