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 5975-00-216-4848
NSN 6610-00-611-8635
NSN 5965-01-420-6613
NSN 6145-00-913-2452
NSN 5999-00-226-4703
NSN 4140-01-335-3451
NSN 2925-01-285-0919
NSN 5920-01-484-9339
NSN 5935-00-059-4503
NSN 5915-01-069-0453
NSN 5920-01-543-6348
NSN 6145-01-308-0196