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 6240-00-204-9355
NSN 6240-00-866-6239
NSN 4140-00-322-0599
NSN 6610-00-222-4108
NSN 5945-01-305-2374
NSN 6130-00-996-8029
NSN 2925-01-027-1293
NSN 5930-01-634-0659
NSN 5895-01-564-2806
NSN 5985-01-024-9640
NSN 5920-00-605-4741
NSN 6105-01-069-9190