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 5990-01-191-1772
NSN 6240-00-486-8447
NSN 5999-01-269-9135
NSN 6110-00-021-0925
NSN 5975-01-318-4877
NSN 6645-01-469-0192
NSN 5950-01-503-2592
NSN 5999-01-205-7533
NSN 5920-00-636-4713
NSN 5930-01-491-5981
NSN 4140-01-599-9383
NSN 5990-01-616-9342