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 5835-00-431-4451
NSN 7035-01-536-9802
NSN 5905-00-170-8113
NSN 6610-01-612-4611
NSN 5990-00-738-5603
NSN 6685-01-421-3374
NSN 5835-01-325-5677
NSN 5950-00-504-5337
NSN 6610-00-734-5976
NSN 6320-01-436-9228
NSN 4140-01-234-9999
NSN 6105-01-235-7080