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 6145-00-000-0090
NSN 5990-00-653-8595
NSN 5895-00-155-8581
NSN 5990-01-437-4876
NSN 5855-00-004-0904
NSN 5910-00-342-4338
NSN 5990-01-386-3040
NSN 5920-01-387-6998
NSN 6645-00-551-8291
NSN 6620-00-447-1360
NSN 5915-00-619-3987
NSN 6650-01-346-4603