Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 40-286-REV B PC-34 found under Retainer Electrical by L3 Communications Corp. The National Stock Number assigned to this part is 5945014415021, 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 40-286-REV B PC-34.