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 5960-01-487-6436
NSN 5935-00-324-6438
NSN
NSN 5998-01-464-6239
NSN 5855-00-896-4047
NSN 6105-01-151-3494
NSN 5915-00-757-9875
NSN 5965-01-633-8849
NSN 5985-01-658-2643
NSN 4140-00-128-8072
NSN 5998-00-961-0773
NSN 6240-01-099-2472