Commercial
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 7035-00-270-5519
NSN 6685-01-356-5930
NSN 6610-01-323-0901
NSN 4140-00-003-1496
NSN 7035-01-110-2567
NSN 5998-01-462-6196
NSN 5855-01-130-1501
NSN 5999-00-838-8486
NSN 5999-00-278-5563
NSN 6320-01-552-8721
NSN 5915-01-036-5800
NSN 5999-01-242-3596