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 6240-01-057-5822
NSN 5930-01-419-2823
NSN 5905-00-134-0431
NSN 5990-01-085-2068
NSN 4140-01-513-5883
NSN 5905-01-102-5497
NSN 5915-01-029-3414
NSN 5935-00-900-5946
NSN 5990-01-620-6736
NSN 6240-00-912-5186
NSN 5999-01-215-2000
NSN 5975-01-207-7304