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 5975-01-467-1497
NSN 4140-01-208-7480
NSN 5910-00-974-6137
NSN 5950-00-450-1331
NSN 5950-01-444-0867
NSN 6150-01-004-0030
NSN 2925-01-191-9668
NSN 5935-00-827-1336
NSN 6110-01-597-1665
NSN 4140-01-045-6718
NSN 5910-01-157-7801
NSN 5975-00-193-1696