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 6650-01-399-8552
NSN 6650-01-328-0546
NSN 6610-01-521-2438
NSN 6240-01-633-9357
NSN 5965-01-646-7498
NSN 6150-01-382-9691
NSN 5960-01-476-3239
NSN 5910-01-437-3535
NSN 6620-00-488-0626
NSN 5930-01-634-0659
NSN 5935-00-489-3432
NSN 4140-00-101-7903