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 5920-01-523-5678
NSN 5855-00-323-0967
NSN 5985-01-230-2977
NSN 6220-00-023-4344
NSN 4140-01-434-1463
NSN 5950-00-350-2825
NSN 6105-01-546-5539
NSN 5905-00-766-8483
NSN 5985-00-078-7791
NSN 6145-01-145-1239
NSN 5999-01-511-0417
NSN 6105-01-415-4137