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 5998-01-657-2147
NSN 5905-01-655-4180
NSN 5975-01-579-2539
NSN 5835-01-247-0717
NSN 5990-01-020-6841
NSN 5910-01-460-9949
NSN 5855-00-973-5717
NSN 5915-00-126-6627
NSN 5910-01-069-3799
NSN 7035-01-377-6255
NSN 6685-00-220-2892
NSN 6650-01-508-3651