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 5990-00-328-4490
NSN 5965-00-320-7821
NSN 5930-00-721-4305
NSN 6150-01-343-6404
NSN 6105-00-753-8756
NSN 5835-00-827-1904
NSN 6620-01-126-4126
NSN 6135-01-285-1925
NSN 7035-01-107-2811
NSN 5835-01-096-3647
NSN 5945-01-541-4309
NSN 5999-01-220-5131