NONA-SB-EST-OSRE
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 6145-01-372-0600
NSN 5930-01-378-2710
NSN 5835-00-540-9669
NSN 7035-00-463-7143
NSN 2925-00-773-7217
NSN 5960-01-549-4826
NSN 5950-01-425-2716
NSN 5950-01-055-0098
NSN 5996-00-044-3254
NSN 4140-00-101-7903
NSN 4140-00-331-0685
NSN 5945-01-256-4133