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 5990-01-472-2447
NSN 6320-01-201-2776
NSN 5910-00-858-4859
NSN 5910-00-186-9524
NSN 5930-00-186-0712
NSN 6610-01-145-2569
NSN 5965-01-416-8138
NSN 6645-00-019-0554
NSN 5985-01-266-3562
NSN 6610-01-227-0364
NSN 5920-01-425-2336
NSN 6135-01-278-9717