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 6150-00-621-2570
NSN 5960-01-210-0879
NSN 6145-01-486-5442
NSN 5996-01-537-0084
NSN 6240-01-063-7685
NSN 5998-01-050-7849
NSN 5930-00-717-6694
NSN 5935-01-462-9642
NSN 5925-01-394-6058
NSN 6320-00-070-4544
NSN 5895-01-029-1775
NSN 4140-01-354-4404