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 5990-01-411-8548
NSN 2925-00-749-8893
NSN 6240-01-036-7798
NSN 5915-01-350-3696
NSN 5975-01-069-4689
NSN 5975-00-725-6860
NSN 6220-01-471-9991
NSN 6105-01-430-5401
NSN 5998-00-436-7932
NSN 5835-01-555-8963
NSN 4140-00-660-8699
NSN 5945-01-548-8454