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 6105-01-428-4411
NSN 6610-00-417-3231
NSN 6685-01-350-3451
NSN 7035-01-603-8672
NSN 6685-00-962-4135
NSN 6145-00-661-0192
NSN 4140-00-473-8189
NSN 6650-00-492-9503
NSN 6610-01-069-8416
NSN 6610-00-878-4634
NSN 5835-00-926-0195
NSN 5999-01-427-3702