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 5855-00-922-6459
NSN 6645-01-093-5015
NSN 5835-01-416-6449
NSN 5925-01-491-0509
NSN 5935-00-983-3195
NSN 6320-01-449-1014
NSN 6220-01-593-5083
NSN 5855-01-221-4076
NSN 5999-01-549-3954
NSN 5895-00-694-9285
NSN 5915-01-633-9845
NSN 6610-01-371-3006