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 6110-01-307-8899
NSN 6650-01-649-8144
NSN 5915-00-400-9981
NSN 5905-01-435-5816
NSN 6645-01-352-5675
NSN 5835-01-447-2544
NSN 5915-01-518-1551
NSN 6320-01-349-5515
NSN 5990-01-538-6115
NSN 6650-01-146-5000
NSN 5950-00-929-5298
NSN 5998-01-391-7498