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 6240-01-543-9591
NSN 5945-00-262-2968
NSN 6145-01-006-6984
NSN 5945-00-925-9528
NSN 5960-01-258-0814
NSN 5910-01-397-0478
NSN 6645-01-295-7418
NSN 5835-01-027-1828
NSN 5910-01-203-7441
NSN 5998-01-442-8784
NSN 5915-01-410-7822
NSN 5998-00-248-6867