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 5990-01-347-1478
NSN 6145-01-459-0962
NSN 6220-01-366-5296
NSN 6620-01-625-2855
NSN 6610-01-168-7943
NSN 5945-01-482-1146
NSN 4140-01-502-8993
NSN 5975-01-162-6221
NSN 6320-00-116-3658
NSN 5998-01-421-2773
NSN 5999-01-455-8948
NSN 6685-01-098-2486