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 4140-01-235-3921
NSN 5835-01-254-8584
NSN 5998-00-084-4901
NSN 5835-01-468-0579
NSN 5895-00-682-9339
NSN 6130-00-293-4714
NSN 6645-01-157-9080
NSN 6145-00-310-7443
NSN 6610-01-391-6781
NSN 6645-00-470-5310
NSN 5835-00-284-0882
NSN 6320-00-110-8005