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 5835-01-279-9508
NSN 6105-01-088-1534
NSN 6320-00-977-3930
NSN 4140-01-178-4585
NSN 4140-00-780-3557
NSN 6685-01-447-3859
NSN 6610-00-277-7206
NSN 6240-01-062-1684
NSN 5996-00-978-4547
NSN 5930-01-234-7067
NSN 6320-01-211-2574
NSN 5975-01-556-8020