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 5920-00-552-1567
NSN 6320-00-261-9136
NSN 6150-01-620-9804
NSN 5996-00-999-2591
NSN 5985-01-004-6021
NSN 6145-00-184-3911
NSN 5999-01-622-0439
NSN 5915-01-145-2148
NSN 6145-00-906-2029
NSN 6320-00-513-8376
NSN 5915-00-099-0347
NSN 6650-01-434-6434