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 2925-01-472-4144
NSN 5998-01-425-6354
NSN 6150-01-107-9074
NSN 6685-00-113-5440
NSN 6620-00-115-9050
NSN 5998-00-232-1100
NSN 5895-00-948-5751
NSN 6220-00-752-6516
NSN 5905-00-891-7433
NSN 5935-01-487-5606
NSN 6145-01-332-4553
NSN 5935-01-540-4189