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 6620-00-757-1950
NSN 5975-01-047-7597
NSN 5905-01-612-7898
NSN 5998-01-658-1055
NSN 5920-01-442-3395
NSN 6610-01-059-4087
NSN 5915-00-553-8755
NSN 5985-01-204-8432
NSN 6135-01-069-2482
NSN 6650-01-589-9916
NSN 5960-00-319-1799
NSN 6320-00-994-0179