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 5998-01-310-8324
NSN 4140-00-378-3399
NSN 5930-00-171-0406
NSN 6320-01-425-1417
NSN 4140-01-056-4453
NSN 6650-00-051-1395
NSN 6645-00-108-6479
NSN 6320-00-382-7825
NSN 5835-01-342-7975
NSN 6110-01-116-5841
NSN 5990-00-848-8870
NSN 6685-00-433-7476