Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 31-5952-2501 found under Relay Meter Movemen by Lfe Instruments. The National Stock Number assigned to this part is 5945012475143, and the Federal Supply Class is 5945 Relays And Solenoids. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 31-5952-2501.