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 6645-01-556-1441
NSN 6220-00-987-3806
NSN 6320-01-064-0372
NSN 5905-01-317-4313
NSN 2925-00-363-9878
NSN 5910-00-351-8768
NSN 5965-00-756-0457
NSN 6610-01-023-1918
NSN 5895-00-968-9408
NSN 6220-00-295-3594
NSN 5985-01-439-9523
NSN 6610-01-425-1523