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 4140-01-442-4926
NSN 5910-01-153-1232
NSN 5975-01-062-5189
NSN 5895-01-278-5297
NSN 6620-01-253-0374
NSN 6320-01-519-8767
NSN 2925-00-338-4667
NSN 6150-01-421-3672
NSN 5998-00-826-8473
NSN 5835-01-386-4027
NSN 6320-01-380-0561
NSN 5950-01-134-5425