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 5920-00-189-4657
NSN 6240-00-421-1862
NSN 5835-01-296-8146
NSN 5905-00-511-5438
NSN 5996-00-968-6523
NSN 6150-01-322-4927
NSN 6620-00-139-6498
NSN 5965-00-831-2134
NSN 6110-00-421-3549
NSN 5950-01-094-5930
NSN 6145-01-031-2081
NSN 5905-00-079-1968