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 5920-00-045-4211
NSN 5915-01-450-1408
NSN 5998-00-523-7136
NSN 6145-01-088-7999
NSN 5915-00-740-4336
NSN 5920-00-966-6727
NSN 6610-00-186-9180
NSN 5996-00-458-2768
NSN 6320-01-046-5228
NSN 5905-00-775-5733
NSN 5945-00-513-7730
NSN 6110-00-438-9158