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 5915-00-831-6143
NSN 5965-01-237-3342
NSN 5975-01-505-9360
NSN 5990-01-612-5323
NSN 6650-00-104-5368
NSN 5975-01-384-4895
NSN 5960-01-407-1350
NSN 6320-00-857-4073
NSN 5975-01-301-1713
NSN 5999-00-153-0062
NSN 6110-01-247-0777
NSN 5895-00-248-7477