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 6240-00-565-9141
NSN 4140-01-617-9262
NSN 6240-00-947-2006
NSN 6610-00-468-1958
NSN 2925-01-446-6976
NSN 5965-00-174-4967
NSN 5935-01-372-8067
NSN 5915-01-544-8740
NSN 6110-01-469-7565
NSN 6645-00-339-0318
NSN 6650-00-098-6128
NSN 5985-00-275-2830