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 5990-01-386-5561
NSN 5895-01-368-8662
NSN 6620-00-314-7989
NSN 6145-01-267-6308
NSN 4140-01-227-4674
NSN 6105-01-466-1458
NSN 6320-00-089-9425
NSN 5975-01-528-7886
NSN 5965-01-234-6844
NSN 5975-01-231-7921
NSN 5950-01-634-0677
NSN 6320-00-845-3261