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 5935-00-139-2720
NSN 5935-00-185-9470
NSN 5965-00-557-9112
NSN 5925-01-574-9801
NSN 6240-00-443-8000
NSN 5965-01-302-6456
NSN 6645-00-508-5723
NSN 5920-00-931-0752
NSN 5915-01-630-6370
NSN 5915-01-606-8569
NSN 5998-00-141-6133
NSN 5930-01-634-0659