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 5925-01-629-9902
NSN 5950-01-459-1977
NSN 5920-01-236-6780
NSN 5910-01-172-4269
NSN 6650-01-532-6966
NSN 5915-00-860-0861
NSN 5905-00-592-8084
NSN 6240-00-551-3098
NSN 7035-01-038-9970
NSN 4140-00-327-2820
NSN 5945-01-370-0853
NSN 5998-01-325-5580