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 6650-00-809-1817
NSN 6150-00-719-6119
NSN 6620-01-094-6549
NSN 6130-00-543-5890
NSN 5975-00-924-9927
NSN 5935-01-193-5757
NSN 5905-01-068-3631
NSN 5835-01-555-8963
NSN 5925-01-221-5515
NSN 5915-00-959-5454
NSN 4140-01-151-9814
NSN 5990-00-532-2641