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 6620-01-621-0719
NSN 5999-00-812-6869
NSN 6620-01-253-0374
NSN 4140-01-510-1522
NSN 5975-01-487-3748
NSN 5999-01-406-3853
NSN 5960-01-288-8910
NSN 5998-00-827-0527
NSN 5835-01-328-6626
NSN 5990-01-348-2497
NSN 5965-00-926-2591
NSN 5915-01-591-7284