Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5190-30A found under Motor Alternating Current by F W Lang Co. The National Stock Number assigned to this part is 6105012203295, and the Federal Supply Class is 6105 Motors Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 5190-30A.