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 6320-01-201-2776
NSN 6320-01-407-4411
NSN 6145-01-496-4527
NSN 6135-01-374-6631
NSN 6110-01-605-3352
NSN 6650-01-392-8086
NSN 5990-01-099-8574
NSN 5905-00-243-3289
NSN 5855-00-991-0096
NSN 5895-00-917-6730
NSN 6620-01-258-8980
NSN 5960-01-409-1917