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 5990-01-049-2367
NSN 6150-01-038-9951
NSN 5996-01-452-1415
NSN 6150-00-716-1603
NSN 7035-00-549-2722
NSN 5950-00-817-8785
NSN 4140-01-523-9939
NSN 6240-01-597-1941
NSN 6320-01-498-4954
NSN 5925-00-442-1943
NSN 5950-01-513-6374
NSN 6320-00-036-3688