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 5920-01-442-3140
NSN 6130-01-514-8007
NSN 5915-01-480-4754
NSN 6685-01-399-4892
NSN 4140-00-003-1936
NSN 5965-00-612-0072
NSN 6145-01-660-9900
NSN 6645-01-131-9664
NSN 6240-01-246-4258
NSN 5935-01-593-2436
NSN 5895-01-152-6033
NSN 5975-01-618-7661