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 5930-00-278-7731
NSN 2925-01-250-2731
NSN 4140-01-034-7074
NSN 4140-01-499-3700
NSN 6620-01-164-0590
NSN 5985-00-165-3095
NSN 5990-00-070-0538
NSN 5920-01-634-0250
NSN 5945-01-412-1393
NSN 5998-00-795-2199
NSN 6110-01-125-9723
NSN 5990-00-756-2555