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 6620-00-520-1909
NSN 6150-00-183-7710
NSN 5965-00-226-0209
NSN 5965-01-601-2301
NSN 6650-01-181-6037
NSN 6645-01-196-6277
NSN 5998-00-404-3976
NSN 6220-00-086-5156
NSN 5920-01-541-8878
NSN 6650-01-273-9775
NSN 6320-01-093-5738
NSN 7035-01-048-7122