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 5920-00-394-9529
NSN 5999-00-090-3493
NSN 5975-01-564-1075
NSN 5910-01-382-9288
NSN 4140-01-567-2701
NSN 6110-01-621-2733
NSN 6220-01-116-6843
NSN 6610-00-518-4919
NSN 6130-01-540-5932
NSN 6645-00-155-2398
NSN 6650-00-318-6033
NSN 4140-01-155-3101