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 4140-00-237-5797
NSN 4140-00-433-9571
NSN 6105-01-250-1365
NSN 6620-00-362-2400
NSN 6220-01-222-0724
NSN 5915-01-095-4069
NSN 5998-01-219-1767
NSN 6145-00-608-1166
NSN 5895-01-412-1325
NSN 6645-01-200-3577
NSN 4140-01-157-2951
NSN 5835-01-561-2959