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 5855-01-634-0259
NSN 5835-00-537-7780
NSN 6105-00-270-8078
NSN 4140-01-646-1853
NSN 5990-01-154-3859
NSN 6145-00-810-0747
NSN 5950-00-001-4382
NSN 5999-00-832-2154
NSN 6240-00-901-8612
NSN 5945-01-423-7966
NSN 5960-00-878-7022
NSN 4140-01-255-5085