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 4140-00-227-8228
NSN 6645-01-562-3960
NSN 5915-01-169-4091
NSN 6320-01-629-1277
NSN 5990-01-071-1505
NSN 6145-01-659-5994
NSN 5910-01-632-9191
NSN 5975-01-451-2238
NSN 5985-01-183-2127
NSN 5915-00-800-2426
NSN 2925-01-623-6438
NSN 6240-01-611-1005