Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TM-319C FIG 9-4 ITEM 4P O found under Transformer Power by Miller Electric Mfg Co. The National Stock Number assigned to this part is 5950014622219, 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 TM-319C FIG 9-4 ITEM 4P O.