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 5835-00-550-7728
NSN 5975-00-212-7754
NSN 6645-00-518-2068
NSN 4140-01-522-0752
NSN 5935-01-335-9001
NSN 5990-01-455-8035
NSN 5930-01-386-2415
NSN 6620-00-010-8190
NSN 6620-00-846-3287
NSN 5996-00-920-4377
NSN 6610-01-448-2590
NSN 4140-01-069-2307