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 5950-01-231-4229
NSN 6150-01-363-1307
NSN 6650-01-195-3957
NSN 4140-01-280-5364
NSN 7035-00-631-3782
NSN 5975-01-292-6963
NSN 6240-00-827-0889
NSN 6145-00-824-8522
NSN 5930-01-112-9619
NSN 5935-00-469-3711
NSN 4140-01-449-5965
NSN 6650-01-567-8552