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 5920-01-420-0912
NSN 5998-00-905-6772
NSN 6620-00-216-6416
NSN 5930-01-163-1289
NSN 4140-00-555-2579
NSN 5935-00-320-9425
NSN 5999-01-653-9367
NSN 5895-01-127-1236
NSN 6320-00-368-2803
NSN 5935-01-206-2622
NSN 5895-01-141-7416
NSN 6320-00-194-4252