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 5990-00-467-7431
NSN 6645-01-435-4073
NSN 5950-01-619-8212
NSN 5945-01-018-4941
NSN 6650-00-910-2708
NSN 4140-01-194-1620
NSN 5996-01-102-3072
NSN 4140-01-337-5328
NSN 5999-01-431-8860
NSN 5985-01-245-9732
NSN 6135-01-309-5765
NSN 5950-00-618-8245