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 6620-01-512-3032
NSN 6220-01-443-0719
NSN 6320-01-434-6861
NSN 5975-01-045-1483
NSN 6320-00-405-2348
NSN 5915-01-500-5164
NSN 6110-00-001-3586
NSN 5915-00-244-1702
NSN 2925-01-583-5619
NSN 6110-01-398-1507
NSN 5960-00-811-1258
NSN 5920-01-331-1101