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 5930-00-229-1447
NSN 4140-01-080-1881
NSN 5930-01-353-6351
NSN 5990-01-568-5565
NSN 5930-00-003-8483
NSN 4140-00-146-1633
NSN 5935-01-641-0888
NSN 5950-01-016-5169
NSN 5905-00-082-1450
NSN 5935-01-322-3808
NSN 5835-01-300-4226
NSN 4140-01-503-8655