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 5950-01-558-7171
NSN 5975-00-153-0050
NSN 5920-00-480-5250
NSN 5960-00-617-9312
NSN 5960-01-301-3315
NSN 5905-00-052-4335
NSN 5960-01-267-6139
NSN 5895-01-208-8393
NSN 5965-01-406-4164
NSN 6105-01-290-4738
NSN 6685-00-817-5694
NSN 5855-01-531-3097