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 5920-00-924-3937
NSN 5999-01-578-6536
NSN 5999-00-368-4852
NSN 6110-01-451-2013
NSN 5950-01-360-5614
NSN 5835-00-856-6744
NSN 5915-01-054-3788
NSN 5999-00-698-7103
NSN 6645-01-513-0117
NSN 5895-01-152-6033
NSN 6135-01-504-4309
NSN 6650-01-086-7003