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 5930-01-142-2571
NSN 5950-00-114-0753
NSN 5905-01-435-6357
NSN 5945-01-546-6917
NSN 6145-01-528-3421
NSN 5990-01-088-5293
NSN 5935-01-541-9777
NSN 6240-01-246-1896
NSN 5990-00-857-4407
NSN 5985-00-226-0420
NSN 6220-01-358-7468
NSN 5950-00-726-2736