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 5930-01-429-8443
NSN 5920-01-339-3977
NSN 4140-01-195-1540
NSN 6220-01-247-3611
NSN 6650-01-633-9147
NSN 5935-00-633-8302
NSN 6645-00-764-3355
NSN 6650-01-353-4809
NSN 6620-00-313-9237
NSN 6320-01-607-1491
NSN 5835-00-025-9951
NSN 6685-01-190-5458