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 6220-01-540-8827
NSN 5855-01-042-7990
NSN 5990-01-318-3238
NSN 5990-01-489-0366
NSN 2925-01-604-8984
NSN 5945-00-726-5019
NSN 5920-01-503-7235
NSN 5945-00-141-0160
NSN 5905-00-496-5817
NSN 5950-01-526-9340
NSN 6130-00-061-7486
NSN 6150-01-327-3199