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 5990-00-285-1948
NSN 6610-00-626-8523
NSN 6145-01-533-2563
NSN 5990-01-633-9503
NSN 6650-01-333-3646
NSN 6320-01-631-7828
NSN 4140-00-082-8228
NSN 5945-01-025-4256
NSN 5920-01-333-3867
NSN 5950-01-608-3142
NSN 6150-00-554-3362
NSN 5960-01-432-6038