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 6320-00-194-4252
NSN 5950-01-314-6060
NSN 6150-01-196-7891
NSN 6240-01-433-9410
NSN 5998-00-079-1375
NSN 6220-00-473-0517
NSN 5835-01-098-9702
NSN 6150-01-120-5618
NSN 5945-01-032-3575
NSN 5910-01-648-2045
NSN 5950-00-806-5113
NSN 5930-01-147-1422