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 5990-01-224-8052
NSN 4140-01-174-5647
NSN 5996-01-576-9852
NSN 5920-01-179-3366
NSN 6685-01-634-0611
NSN 6110-01-077-8075
NSN 6150-00-009-4226
NSN 6130-01-645-7492
NSN 6610-01-508-3125
NSN 6620-01-435-2784
NSN 5999-00-231-3885
NSN 6610-01-290-2627