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 5905-01-429-2527
NSN 6110-01-149-5769
NSN 5930-00-531-0541
NSN 6105-01-470-6755
NSN 6645-01-607-5999
NSN 5960-01-413-3877
NSN 5975-01-642-4756
NSN 6240-00-435-0433
NSN 6220-01-633-2994
NSN 5996-00-596-7018
NSN 5985-00-603-7098
NSN 5985-01-139-4667