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 4140-01-499-0572
NSN 5975-01-223-0003
NSN 5985-00-909-4267
NSN 5905-00-011-2738
NSN 6320-00-546-9249
NSN 5950-01-422-0069
NSN 6220-01-024-9444
NSN 5915-00-279-2973
NSN 5999-01-421-9795
NSN 6110-00-384-1566
NSN 5985-00-288-6001
NSN 5998-00-433-9407