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 5930-00-437-2523
NSN 5920-00-765-2867
NSN 4140-01-568-4131
NSN 5950-01-310-8461
NSN 5945-01-484-9325
NSN 6150-01-173-7953
NSN 5996-00-366-0233
NSN 7035-01-058-8728
NSN 5910-01-074-3853
NSN 5975-01-578-3496
NSN 5990-01-460-6390
NSN 6610-00-084-9178