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 5990-01-157-0441
NSN 5935-01-013-1557
NSN 5985-01-046-0330
NSN 6110-01-572-2610
NSN 5999-01-503-2386
NSN 6620-00-646-9474
NSN 5965-01-204-8505
NSN 5905-01-010-1806
NSN 6130-01-414-7084
NSN 5915-00-312-8011
NSN 5999-01-554-4724
NSN 5905-00-951-6166