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 5930-00-584-4563
NSN 4140-01-528-4697
NSN 5930-00-231-5538
NSN 5999-00-934-9876
NSN 6150-00-636-8938
NSN 5910-00-481-2084
NSN 6320-00-588-2401
NSN 6105-01-251-2557
NSN 6645-01-418-1657
NSN 6220-01-619-5300
NSN 5985-01-030-9995
NSN 5905-01-019-3188