Our EB6923 Electromagnetic Coil is a drop in replacement for the Temescal 0312-6923-0 Electromagnetic Coil. It will meet or exceed the original manufacturers specifications. We supply all emitter parts individual or as an assembled emitter. See an exploded view of our multi pocket emitter assembly Details. We also offer Quality Crystals in 6MHz and 5MHz in Gold, Silver, and Stress Relieving Alloy for your thin film measurement.