Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A F37A T63 V 7 found under Trainer Flight Simu by L3 Communications Corp. The National Stock Number assigned to this part is 6930011245012, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A F37A T63 V 7.