Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 443 1773 found under Transformer Power by Paeaeesikunta. The National Stock Number assigned to this part is 5950015971024, 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 443 1773.