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 5935-01-241-7670
NSN 4140-00-225-8586
NSN 5925-01-447-2968
NSN 6240-01-329-7228
NSN 5990-01-481-3080
NSN 5920-01-455-2393
NSN 6620-01-480-2648
NSN 6135-01-130-3145
NSN 5950-01-528-7982
NSN 5965-01-542-5319
NSN 7035-01-445-3563
NSN 5985-00-150-9398