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 5990-00-606-1475
NSN 5985-00-553-9735
NSN 6135-01-031-8078
NSN 6150-00-252-4886
NSN 5998-01-219-4823
NSN 5945-00-138-1469
NSN 5835-01-242-9806
NSN 5975-00-106-0943
NSN 5990-01-475-8708
NSN 6650-00-716-7628
NSN 6130-00-364-2016
NSN 6320-01-512-2031