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 4140-00-200-0970
NSN 5905-01-449-5307
NSN 6620-00-005-4879
NSN 5945-00-230-8809
NSN 5925-01-135-9391
NSN 5935-01-599-8635
NSN 5975-01-395-7420
NSN 5960-01-531-9108
NSN 4140-01-591-4012
NSN 6650-01-448-4996
NSN 6320-01-651-7476
NSN 5855-01-149-4110