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 5999-00-367-3738
NSN 5950-00-806-0925
NSN 4140-01-481-4237
NSN 6620-01-323-1287
NSN 5925-00-383-3814
NSN 6130-00-112-9510
NSN 6610-01-451-3877
NSN 5990-00-226-1152
NSN 6150-01-543-8574
NSN 6110-00-435-8007
NSN 6145-01-382-7856
NSN 6240-01-259-4265