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 5990-01-412-9020
NSN 5905-00-006-3854
NSN 5999-00-538-7001
NSN 5965-01-323-8134
NSN 5965-01-633-8849
NSN 6620-01-658-2480
NSN 6320-00-149-7570
NSN 7035-01-078-0155
NSN 5965-01-446-6945
NSN 5996-00-347-9859
NSN 4140-01-501-8639
NSN 5835-00-174-7763