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 6650-01-187-9781
NSN 6320-01-349-5515
NSN 6110-01-254-5278
NSN 4140-01-598-5101
NSN 5920-01-032-2133
NSN 6145-01-091-4652
NSN 6685-01-483-3903
NSN 6610-00-523-0841
NSN 6145-00-999-5303
NSN 6320-00-089-9426
NSN 5975-00-642-8959
NSN 5985-01-386-5831