Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 527588-1 found under by Telephonics Corporation. The National Stock Number assigned to this part is 5821015027446, and the Federal Supply Class is 5821 Radio And Television Communication Equipment Airborne. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 527588-1.