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 4140-00-105-8391
NSN 5930-00-526-0543
NSN 5915-00-203-2859
NSN 6620-01-242-7236
NSN 5998-00-867-7249
NSN 5998-01-141-9554
NSN 5975-00-715-3710
NSN 6105-01-431-8998
NSN 6145-01-437-9078
NSN 5996-01-319-6698
NSN 5835-00-401-8655
NSN 6150-00-209-5916