Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 153 6308-604 found under Switch Pressure Thermostatic by Bae Systems Land And Armaments L P. The National Stock Number assigned to this part is 5930012258614, 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 153 6308-604.