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 6240-01-515-0260
NSN 4140-01-647-8871
NSN 5930-01-428-5891
NSN 5835-00-949-3018
NSN 6650-01-412-4217
NSN 5960-00-470-2570
NSN 2925-01-446-6523
NSN 6620-01-074-1714
NSN 5915-01-111-9376
NSN 6320-01-066-1766
NSN 5990-00-288-1820
NSN 7035-01-237-8653