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 5920-01-442-3140
NSN 5999-01-500-0533
NSN 5945-01-278-0694
NSN 5985-01-249-7591
NSN 2925-01-424-0235
NSN 5950-00-197-7705
NSN 6645-01-436-4542
NSN 5905-00-456-0662
NSN 4140-01-487-4394
NSN 5950-01-181-5973
NSN 5915-01-398-1860
NSN 6620-01-516-6282