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 5965-01-255-5581
NSN 5975-01-373-1019
NSN 5965-01-178-7853
NSN 5855-01-163-8152
NSN 5985-01-183-7180
NSN 5925-01-417-9170
NSN 5915-01-251-1268
NSN 5910-00-233-1139
NSN 5998-01-227-5651
NSN 6145-01-295-5288
NSN 5925-01-569-1385
NSN 6620-00-379-2856