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 6610-00-840-6187
NSN 6135-00-798-1425
NSN 5960-01-617-6345
NSN 5905-00-394-1528
NSN 6620-01-060-6418
NSN 5960-01-046-8308
NSN 6320-01-459-6992
NSN 5935-00-794-3176
NSN 5910-00-853-6831
NSN 5999-01-375-6691
NSN 6150-00-352-6606
NSN 6135-01-579-3534