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 6240-01-256-4570
NSN 7035-00-420-1310
NSN 6105-00-805-5802
NSN 5975-01-103-6969
NSN 5990-00-919-4653
NSN 5930-00-014-1703
NSN 5910-00-523-9510
NSN 4140-01-563-3169
NSN 6145-00-342-8122
NSN 5915-01-090-4170
NSN 5915-01-220-0849
NSN 5905-00-666-4983