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 5999-01-555-8285
NSN 5920-01-372-1322
NSN 5925-00-081-9135
NSN 6220-01-116-2411
NSN 5895-01-474-4618
NSN 6220-00-340-1313
NSN 6240-00-099-8606
NSN 5925-00-253-4255
NSN 6130-01-572-6237
NSN 2925-00-964-7128
NSN 6610-00-490-9514
NSN 5990-01-127-1108