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 6150-01-111-9729
NSN 6620-01-594-1833
NSN 6610-00-365-4454
NSN 5999-01-084-5509
NSN 5930-01-189-1675
NSN 5935-00-297-8846
NSN 5910-00-717-4251
NSN 5990-00-483-0482
NSN 6685-00-947-4066
NSN 5935-00-267-1658
NSN 5895-01-388-2728
NSN 6110-01-485-3312