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 5920-01-378-2490
NSN 6610-01-148-8865
NSN 5985-00-962-8415
NSN 6130-00-878-8376
NSN 4140-01-200-8651
NSN 6240-01-183-5425
NSN 5960-01-231-9119
NSN 6145-01-464-3380
NSN 5965-00-959-4910
NSN 6145-00-996-8879
NSN 5990-00-730-1792
NSN 6320-00-643-0958