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 5920-00-059-4659
NSN 6620-00-111-0401
NSN 6610-00-350-1091
NSN 6105-01-276-6774
NSN 5835-00-481-3031
NSN 5855-00-951-6483
NSN 6145-00-008-1834
NSN 5835-00-348-8549
NSN 5996-01-394-3378
NSN 5999-01-423-7922
NSN 5945-00-999-5198
NSN 5855-01-515-5896