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 4140-00-406-4369
NSN 6320-00-886-9771
NSN 6320-01-652-3806
NSN 5975-01-630-1688
NSN 5930-01-381-2523
NSN 6240-00-389-4822
NSN 5975-01-015-2697
NSN 5960-00-584-4553
NSN 5985-00-055-5632
NSN 6620-01-263-6697
NSN 5998-01-179-4067
NSN 5965-01-489-1552