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 6220-01-206-5720
NSN 5998-01-399-1577
NSN 6320-01-449-1014
NSN 6145-01-150-6018
NSN 2925-00-373-8837
NSN 5835-01-155-0786
NSN 5985-01-503-2973
NSN 5975-00-552-9579
NSN 5915-01-573-5980
NSN 2925-01-617-3622
NSN 6610-00-862-8540
NSN 5895-00-034-4985