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 5990-01-419-0661
NSN 5998-00-925-9927
NSN 5920-01-373-7327
NSN 6150-00-138-2688
NSN 5905-01-242-1769
NSN 6685-00-862-6382
NSN 6135-01-142-2417
NSN 6320-01-446-6775
NSN 6105-01-323-6572
NSN 6610-01-130-2672
NSN 5990-00-914-4261
NSN 5935-00-197-6583