Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 54PB4T2X52PA5R2 found under Switch Push by Honeywell Aerospace. The National Stock Number assigned to this part is 5930007860260, 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 54PB4T2X52PA5R2.