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 4140-01-356-7967
NSN 5960-01-229-2692
NSN 5945-01-459-5280
NSN 5990-01-392-5682
NSN 6150-00-860-5478
NSN 5930-00-526-0543
NSN 5975-00-516-0603
NSN 6150-01-254-9966
NSN 5920-01-626-0737
NSN 5985-00-431-9975
NSN 6650-01-437-8852
NSN 6620-01-120-9847