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 5950-00-362-5661
NSN 5855-00-763-2155
NSN 5915-01-089-7930
NSN 5975-01-136-7450
NSN 6320-01-313-8306
NSN 5965-01-217-7167
NSN 6145-01-535-6035
NSN 5910-00-503-8816
NSN 5895-01-546-7927
NSN 4140-00-252-0879
NSN 4140-00-929-3974
NSN 5905-00-502-4265