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 4140-01-400-2719
NSN 2925-01-101-4655
NSN 6220-00-224-5402
NSN 6610-00-847-8701
NSN 5935-00-201-1113
NSN 5920-01-359-8720
NSN 5990-01-440-7135
NSN 5935-01-231-4251
NSN 6220-01-202-6369
NSN 5835-01-328-6626
NSN 5965-01-337-0250
NSN 6685-01-487-5238