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 6240-01-102-1555
NSN 6105-01-267-5501
NSN 5999-01-086-2736
NSN 6220-01-031-6919
NSN 5915-01-333-8593
NSN 5998-01-593-7284
NSN 5910-00-392-1942
NSN 5998-01-136-5459
NSN 5930-01-400-6126
NSN 6240-00-841-0189
NSN 5910-00-903-8479
NSN 5930-01-640-9993