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 5990-00-908-4252
NSN 5945-00-660-7851
NSN 5975-00-690-9061
NSN 5990-01-217-4590
NSN 5965-01-458-5299
NSN 6650-01-578-7761
NSN 5960-01-104-7839
NSN 6610-00-947-7595
NSN 6130-01-049-0392
NSN 5960-00-597-2680
NSN 5855-00-179-8588
NSN 6240-01-537-0629