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 5935-01-519-3203
NSN 6240-01-613-5801
NSN 4140-00-873-3448
NSN 5895-00-107-0198
NSN 5835-01-080-7784
NSN 7035-01-531-6554
NSN 5999-01-212-2788
NSN 5998-00-478-7112
NSN 5998-01-187-1879
NSN 6145-01-528-9655
NSN 6110-00-678-1954
NSN 4140-01-514-7549