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 6130-01-452-3759
NSN 4140-00-062-1335
NSN 6145-00-465-1641
NSN 6645-01-557-8134
NSN 5905-00-528-8913
NSN 6650-01-521-0902
NSN 5835-01-442-6079
NSN 5950-01-564-1151
NSN 6645-01-613-7389
NSN 5975-01-455-1990
NSN 4140-01-632-1081
NSN 5935-01-514-0433