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 5915-00-845-7278
NSN 6610-00-239-8613
NSN 5910-01-451-9410
NSN 6240-01-542-8672
NSN 6650-01-443-1476
NSN 5915-01-431-6951
NSN 6645-01-158-9413
NSN 5915-00-628-8365
NSN 6110-01-617-1416
NSN 4140-00-800-0317
NSN 5999-01-500-1578
NSN 5920-01-025-9381