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 5985-01-029-4721
NSN 5910-01-084-9969
NSN 6645-01-361-8947
NSN 4140-00-288-9826
NSN 6645-00-016-0594
NSN 6240-01-541-9298
NSN 6620-01-354-2824
NSN 5915-01-489-0722
NSN 5895-01-495-5484
NSN 6610-01-096-8746
NSN 5835-01-067-9271
NSN 5998-00-007-0604