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 4140-01-424-0841
NSN 5895-01-433-8633
NSN 6620-00-527-6523
NSN 6685-00-563-7475
NSN 6135-01-265-1384
NSN 5835-01-621-8553
NSN 5905-00-304-0161
NSN 5930-00-248-6608
NSN 5935-01-426-0478
NSN 6240-01-571-5181
NSN 5960-01-231-9119
NSN 6240-01-648-2327