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 5920-00-901-1551
NSN 6145-01-310-0731
NSN 4140-00-952-4047
NSN 6105-01-275-2768
NSN 6620-00-192-4855
NSN 6135-01-054-2462
NSN 5855-01-474-6456
NSN 6150-00-236-5069
NSN 5945-01-506-4409
NSN 5990-00-578-8850
NSN 6650-01-359-8537
NSN 5960-01-398-9538