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 4140-01-491-1750
NSN 4140-01-215-1125
NSN 6650-00-139-5459
NSN 6645-00-145-6411
NSN 5975-01-055-6206
NSN 6620-00-853-2563
NSN 5935-01-480-2059
NSN 6650-01-337-0657
NSN 6130-01-588-9494
NSN 5990-00-295-0968
NSN 5915-00-914-9962
NSN 6320-00-242-3300