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 5910-01-285-0390
NSN 5975-00-733-5988
NSN 5905-01-410-8694
NSN 6610-01-072-1849
NSN 5990-01-328-8225
NSN 6620-01-524-7562
NSN 5985-01-461-3531
NSN 5835-00-451-2982
NSN 5965-01-181-5706
NSN 4140-01-382-3864
NSN 5999-01-279-4443
NSN 5990-01-443-2931