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 6610-01-429-2162
NSN 6150-01-358-5030
NSN 6320-01-411-6610
NSN 5920-00-351-8428
NSN 4140-01-541-7030
NSN 6150-00-671-8782
NSN 5905-01-623-7663
NSN 5935-01-227-2314
NSN 5905-00-155-7018
NSN 5996-01-098-9101
NSN 6220-01-536-1965
NSN 6650-01-186-2426