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 6620-01-549-3559
NSN 6105-00-461-5960
NSN 6220-01-509-9943
NSN 5998-01-326-4313
NSN 5895-01-443-2333
NSN 6620-01-345-9488
NSN 6240-01-014-7530
NSN 6240-01-552-1995
NSN 6130-01-056-5251
NSN 6610-01-596-3254
NSN 5950-01-160-8176
NSN 6620-01-580-0883