X0403 STMicroelectronics Thyristors parts available at DigiKey.
Some Part number from the same manufacture ST Microelectronics, Inc. X0403MF Sensitive Gate SCR. X0403MF1AA2 4A SCRS. X0403N Sensitive Gate SCR.
X0403 Datasheet. Part #: X0403BE. Datasheet: 677Kb/6P. Manufacturer: STMicroelectronics. Description: SENSITINE GATE SCR. 14 Results. Part #: X0403BF.
$0.80
Gorman Rupp part # X0403 17000 pricing and information. The Gorman Rupp X0403 17000 is a Rd Head Mach Screw, Stainless Steel for a Gorman Rupp Pump.