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 5990-01-116-2181
NSN 4140-01-431-9065
NSN 4140-01-139-4877
NSN 6220-00-156-4469
NSN 5985-01-435-4425
NSN 6320-00-238-9973
NSN 2925-00-960-4737
NSN 5950-00-401-6784
NSN 5990-00-146-3534
NSN 5996-01-242-9710
NSN 5975-00-057-8477
NSN 5930-01-380-3884