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 4140-01-310-8608
NSN 5985-01-454-3681
NSN 6220-01-448-5438
NSN 6105-00-873-0244
NSN 6320-01-158-2177
NSN 5920-00-912-2823
NSN 5996-00-454-7938
NSN 5930-01-633-2356
NSN 6220-00-528-7752
NSN 5990-00-288-1820
NSN 5950-01-502-6915
NSN 5920-01-469-0816