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 6240-01-153-2861
NSN 4140-00-911-1485
NSN 6145-01-577-2478
NSN 4140-00-905-6570
NSN 5998-00-461-3102
NSN 6105-00-433-1273
NSN 6645-00-873-4642
NSN 6320-01-397-9995
NSN 5935-01-521-3779
NSN 5915-00-881-5067
NSN 5996-01-152-2948
NSN 6685-00-130-3947