Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TA54538A found under Switch Thermostatic by Itp Engines Uk Ltd. The National Stock Number assigned to this part is 5930010760170, 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 TA54538A.