Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A1F1-1A2 found under Transformer Power by La Marche Mfg Co. The National Stock Number assigned to this part is 5950009494149, and the Federal Supply Class is 5950 Coils And Transformers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A1F1-1A2.