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 5998-01-328-2302
NSN 5975-01-520-6158
NSN 6645-01-588-5591
NSN 6150-00-760-1387
NSN 4140-01-364-7845
NSN 5985-00-480-9780
NSN 6650-00-264-0664
NSN 5999-00-269-5320
NSN 5930-01-442-6610
NSN 6130-00-740-3884
NSN 7035-00-800-0770
NSN 5990-01-314-8591