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 6150-01-533-2223
NSN 5945-01-536-0072
NSN 5998-01-177-0306
NSN 4140-00-061-3110
NSN 6320-00-823-2015
NSN 5920-01-634-0250
NSN 6220-00-911-7313
NSN 7035-01-398-9581
NSN 5998-00-473-2035
NSN
NSN 5835-01-297-1909
NSN 5975-01-411-3053