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 5996-00-681-0490
NSN 6130-00-578-9783
NSN 5925-01-038-4066
NSN 6610-00-248-1559
NSN 6320-01-194-1253
NSN 6110-01-469-6379
NSN 6220-01-202-2771
NSN 6220-01-109-1798
NSN 5910-01-342-0835
NSN 4140-01-438-7053
NSN 6620-01-268-9693
NSN 6110-01-400-2717