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 5990-01-230-2827
NSN 5935-00-231-3407
NSN 4140-01-462-5901
NSN 6220-01-555-7812
NSN 5935-01-465-3263
NSN 6610-00-267-1102
NSN 4140-01-282-7586
NSN 6620-00-858-7317
NSN 2925-00-233-5644
NSN 5910-00-491-7359
NSN 6220-01-211-8419
NSN 5985-00-104-5981