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 5935-00-885-2591
NSN 5998-00-394-7118
NSN 6610-01-472-2757
NSN 5935-00-518-2873
NSN 5915-01-106-5315
NSN 5920-01-141-1741
NSN 5975-01-406-0657
NSN 6620-00-189-0967
NSN 5998-00-797-2607
NSN 6320-00-115-0883
NSN 5935-00-633-8302
NSN 6240-01-476-7357