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 5920-01-642-1035
NSN 5930-01-278-9966
NSN 5996-01-457-7263
NSN 5920-01-360-4654
NSN 5855-01-410-8979
NSN 6150-00-884-2071
NSN 5935-00-917-0703
NSN 6610-00-078-9620
NSN 5910-00-876-3956
NSN 5835-00-892-3510
NSN 6220-01-356-5348
NSN 6220-00-028-3964