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 5990-00-105-7831
NSN 5975-01-474-5631
NSN 6610-01-091-7643
NSN 5930-00-902-6870
NSN 5920-00-913-3728
NSN 6620-01-367-2597
NSN 6135-00-100-8890
NSN 5998-01-182-8112
NSN 5905-00-226-1705
NSN 6150-00-249-1760
NSN 6650-00-641-6139
NSN 5945-01-618-0093