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 5990-00-470-2535
NSN 5835-01-125-2558
NSN 5950-01-250-9429
NSN 6645-00-818-9408
NSN 6650-01-004-1261
NSN 6105-00-788-3827
NSN 5835-00-491-3834
NSN 5930-01-065-9584
NSN 2925-00-996-2167
NSN 6645-01-264-2701
NSN 4140-01-337-5556
NSN 6645-00-871-1187