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.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 6620-01-632-9143
NSN 5950-00-134-9601
NSN 5945-01-177-2855
NSN 4140-00-084-0984
NSN 6650-01-290-4001
NSN 5990-00-276-8650
NSN 5950-01-350-3702
NSN 6645-01-463-4314
NSN 5855-00-962-5792
NSN 6320-01-328-6575
NSN 5990-00-935-5610
NSN 4140-01-214-8577