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 5975-01-381-3543
NSN 5905-00-972-8833
NSN 5915-01-593-8937
NSN 5920-00-161-4564
NSN 6685-00-241-5054
NSN 5960-00-707-3335
NSN 6610-01-206-3921
NSN 6135-01-515-9626
NSN 6135-01-388-2761
NSN 6320-01-607-1491
NSN 5915-01-104-9078
NSN 5915-00-906-2214