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 5935-00-253-4733
NSN 2925-00-574-8796
NSN 6105-01-501-5402
NSN 6240-01-431-5442
NSN 5965-00-578-1438
NSN 6320-01-149-8865
NSN 5990-01-244-9998
NSN 5998-00-518-6999
NSN 5905-01-175-3882
NSN 6105-01-426-3064
NSN 6645-01-089-6459
NSN 5975-00-828-3505