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 5965-00-324-2428
NSN 5910-01-146-0338
NSN 5990-01-514-8708
NSN 6105-00-818-9695
NSN 4140-00-504-1829
NSN 4140-00-283-6843
NSN
NSN 5945-01-509-8387
NSN 5920-01-212-1536
NSN 5895-00-678-6598
NSN 5855-01-524-2040
NSN 6240-01-585-1086