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 5990-01-196-2953
NSN 5835-01-532-9373
NSN 6105-00-669-6375
NSN 5930-01-634-0659
NSN 5990-00-121-2134
NSN 6620-01-117-7303
NSN 6610-00-935-7131
NSN 6685-01-634-0611
NSN 5998-00-659-3728
NSN 5960-00-832-8449
NSN 5930-01-453-8417
NSN 5950-01-219-4928