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 6610-00-664-2190
NSN 5945-00-623-9329
NSN 6650-01-105-0209
NSN 4140-00-913-6072
NSN 6110-00-890-6029
NSN 5835-01-297-1909
NSN 6645-00-337-8276
NSN 4140-01-127-0032
NSN 6620-01-389-7446
NSN 5960-01-336-4239
NSN 5985-00-389-9237
NSN 6320-01-006-6138