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 4140-01-449-2131
NSN 5920-01-166-4001
NSN 5999-00-556-6313
NSN 6610-01-476-9945
NSN 6650-01-609-1288
NSN 6135-01-301-8776
NSN 6130-01-065-2801
NSN 5895-01-429-8160
NSN 5998-00-153-0882
NSN 6240-01-447-8088
NSN 5985-01-394-1589
NSN 5930-00-169-3749