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 5905-00-887-0013
NSN 6240-01-435-1387
NSN 5930-01-042-9611
NSN 5985-00-152-9389
NSN 5905-01-634-0595
NSN 6320-00-937-5625
NSN 5930-01-485-5354
NSN 6620-01-244-0260
NSN 5990-01-120-1910
NSN 6610-01-269-5437
NSN 5990-01-045-2129
NSN 6610-00-557-3408