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 5930-01-488-0180
NSN 5990-00-119-5699
NSN 6645-00-498-6869
NSN 6220-01-561-1871
NSN 6650-00-445-6990
NSN 6220-01-348-0677
NSN 6610-01-058-2366
NSN 5990-00-158-5392
NSN 5996-00-740-8315
NSN 6110-01-437-6223
NSN 5895-00-889-3963
NSN 6220-01-115-4492