Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 27-0034 found under Switch Toggle by Tellurometer Usa Div Of Plessey Inc. The National Stock Number assigned to this part is 5930005333967, 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 27-0034.