Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 810501-173 ITEM NO. 38 found under Transformer Power by Tri Tec Manufacturing Llc. The National Stock Number assigned to this part is 5950016140707, 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 810501-173 ITEM NO. 38.