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.
NSN 5835-00-177-2970
NSN 6620-01-507-0886
NSN 6620-00-850-8615
NSN 5985-00-782-9605
NSN 6650-01-165-0438
NSN 5985-01-112-6382
NSN 6110-01-462-1698
NSN 5996-00-324-8952
NSN 5990-01-419-0661
NSN 5999-01-571-6227
NSN 5935-01-422-5511
NSN 4140-00-059-7101