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 5920-01-081-8937
NSN 5835-00-778-5761
NSN 5930-00-320-1732
NSN 5935-01-443-3775
NSN 6105-01-512-1140
NSN 6645-00-032-5730
NSN 6240-01-004-3464
NSN 6240-01-312-6281
NSN 6135-01-549-9135
NSN 6645-00-068-9753
NSN 5950-01-634-0677
NSN 6320-01-399-6177