Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PRE RB MPL500 SPST-NO found under Switch Pressure by Micro Pneumatic Logic Inc. The National Stock Number assigned to this part is 5930015431999, and the Federal Supply Class is 5930 Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PRE RB MPL500 SPST-NO.