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 5999-01-168-8181
NSN 5960-01-536-9763
NSN 5999-01-120-9343
NSN 6220-01-073-9518
NSN 5960-01-420-4744
NSN 5945-00-062-8959
NSN 6320-00-731-6134
NSN 2925-00-404-6461
NSN 5965-01-302-2719
NSN 5999-01-227-6927
NSN 6150-01-153-7355
NSN 6320-01-470-6826