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 5990-01-643-4167
NSN 5915-01-482-8377
NSN 5925-01-314-5514
NSN 5835-01-466-5496
NSN 4140-01-505-2177
NSN 5905-01-224-3974
NSN 5985-00-873-7091
NSN 6145-01-649-3705
NSN 6645-01-513-0117
NSN 7035-01-564-1343
NSN 2925-01-633-4048
NSN 7035-01-206-2623