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 5945-00-256-5631
NSN 6240-01-602-1567
NSN 6145-01-316-8089
NSN 5925-01-122-1524
NSN 5910-01-055-5620
NSN 5930-01-341-0430
NSN 7035-01-568-5351
NSN 5960-00-081-6022
NSN 4140-01-487-7179
NSN 5965-01-243-5494
NSN 5915-01-487-3883
NSN 6650-01-628-0984