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 5920-00-261-9848
NSN 5935-00-529-0407
NSN 5905-01-372-8252
NSN 5985-00-186-8755
NSN 5835-00-523-0736
NSN 6620-01-633-8443
NSN 5950-00-434-1263
NSN 6645-01-633-1852
NSN 5965-00-661-0469
NSN 4140-00-878-1222
NSN 4140-01-534-9987
NSN 5960-01-579-1661