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 5975-01-280-5371
NSN 6130-01-223-3366
NSN 5996-01-049-7841
NSN 4140-01-416-4898
NSN 6110-01-475-0804
NSN 6610-01-237-4416
NSN 6610-01-122-0064
NSN 5835-01-297-1909
NSN 5915-01-187-8588
NSN 5930-01-435-6542
NSN 5996-01-310-8974
NSN 5996-00-927-7729