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 5920-00-633-0404
NSN 6650-01-445-5394
NSN 6105-01-446-1914
NSN 6620-01-449-8743
NSN 5855-00-951-6483
NSN 6240-01-348-8975
NSN 6105-01-474-5246
NSN 6320-01-582-6668
NSN 6130-01-406-0535
NSN 5835-01-167-1824
NSN 6220-00-981-9184
NSN 6150-00-831-6940