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 6620-01-220-4178
NSN 5999-01-433-1050
NSN 4140-01-587-3107
NSN 6145-00-104-7789
NSN 5975-00-276-3436
NSN 5996-01-063-8822
NSN 5998-00-328-5752
NSN 5999-01-634-0576
NSN 5915-01-009-8422
NSN 6240-01-521-2921
NSN 6320-01-652-3806
NSN 6130-01-142-8169