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 4140-00-770-1052
NSN 5930-01-472-2947
NSN 5996-01-390-0536
NSN 6240-01-500-1714
NSN 5930-00-372-5642
NSN 6220-01-518-0572
NSN 6645-00-283-6794
NSN 6320-01-166-3602
NSN 6130-01-104-4371
NSN 6645-01-595-7659
NSN 6130-01-095-3169
NSN 5920-01-378-8924