Metal Stampings – Wave Spring Washers – ID .357 OD .472 3 Waves Wave Spring Washers HK Metalcraft Manufacturing Corporation35 Industrial Rd., P.O. Box 775, Lodi, NJ USA 07644 Phone: 973.471.7770 • Fax: 973.471.9666 Web site: www.hkmetalcraft.com Part No. Hole Size ID OD Thickness Overall Height Number of Waves WAV-1800-3020 5/16″ .357 .472 .005 .058 3