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 4140-01-604-9981
NSN 5985-01-355-5881
NSN 6105-00-726-0922
NSN 6150-01-181-6178
NSN 5915-01-258-5308
NSN 5965-00-458-7321
NSN 5835-00-967-0998
NSN 5999-00-137-8285
NSN 5910-01-009-0940
NSN 4140-01-191-7577
NSN 5999-00-864-7917
NSN 5950-00-007-1952