A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 5985-01-406-5209
NSN 6320-01-378-2413
NSN 5960-01-023-8037
NSN 6620-00-538-8746
NSN 6685-01-651-7109
NSN 6110-00-553-8816
NSN 6105-00-251-2618
NSN 4140-01-268-1351
NSN 5999-00-577-4320
NSN 6145-00-909-0614
NSN 6320-01-160-7757
NSN 5935-00-962-5962