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 6220-00-073-1774
NSN 6320-00-925-0558
NSN 6220-01-634-0660
NSN 6620-00-868-7104
NSN 2925-01-317-1186
NSN 5930-00-753-6806
NSN 6650-01-027-1181
NSN 5945-00-796-3908
NSN 5920-01-388-3498
NSN 5990-01-600-9343
NSN 5985-00-293-8322
NSN 5920-00-828-0148