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 5920-00-469-5154
NSN 6320-00-310-1080
NSN 6240-00-239-0159
NSN 5935-00-245-5674
NSN 5965-00-548-4287
NSN 6150-01-462-0827
NSN 5915-01-540-9757
NSN 5998-01-423-2770
NSN 6135-01-100-3593
NSN 5910-01-422-4645
NSN 6320-01-465-2028
NSN 6240-01-364-2305