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 5920-00-331-0583
NSN 5930-01-422-5483
NSN 6145-01-581-4128
NSN 5960-00-824-0052
NSN 5996-00-424-8883
NSN 6685-00-261-9858
NSN 5998-00-109-5871
NSN 5990-01-211-6136
NSN 2925-01-052-0636
NSN 5990-00-144-3243
NSN 5985-00-650-0504
NSN 5990-01-443-2931