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 6320-01-103-6218
NSN 6110-01-591-1682
NSN 5945-00-612-1598
NSN 5945-01-136-8254
NSN 5920-01-142-7554
NSN 6645-01-089-6459
NSN 6135-01-441-0518
NSN 6150-00-159-0813
NSN 5999-01-343-2531
NSN 5945-01-420-2233
NSN 5945-01-159-9778
NSN 6145-00-771-7873