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 6240-01-649-6937
NSN 5930-01-060-8769
NSN 5985-01-464-2884
NSN 5985-01-267-8817
NSN 6645-01-613-7389
NSN 6645-01-064-3711
NSN 6320-01-195-5583
NSN 6320-00-521-9350
NSN 6150-01-339-2467
NSN 6220-00-737-0869
NSN 6110-01-257-4563
NSN 6145-01-606-2172