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 6105-00-728-1001
NSN 5990-01-320-1412
NSN 5920-01-271-6474
NSN
NSN 5920-01-261-0613
NSN 5925-01-227-4048
NSN 6145-01-537-0572
NSN 5910-01-441-7815
NSN 5950-01-646-7192
NSN 5915-01-258-5799
NSN 6620-00-360-1379
NSN 5910-01-463-5531