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 5920-00-281-2488
NSN 5990-01-245-7299
NSN 6145-00-441-2512
NSN 4140-00-215-8593
NSN 5975-01-634-0678
NSN 5985-01-163-0323
NSN 6220-01-004-4318
NSN 6320-00-937-5625
NSN 6320-01-358-0141
NSN 6150-01-643-6478
NSN 6650-01-202-8014
NSN 6220-00-366-1670