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 4140-00-018-0187
NSN 5915-01-491-4380
NSN 5975-01-080-2679
NSN 5960-01-424-0590
NSN 5998-01-066-3297
NSN 6685-01-501-0636
NSN 5950-00-035-8670
NSN 5990-00-004-4158
NSN 5999-01-278-9287
NSN 5965-00-862-3295
NSN 6145-01-212-2036
NSN 6145-01-465-1482