Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 350SA found under Coupling Shaft by Climax Metal Products Company. The National Stock Number assigned to this part is 4130007039360, and the Federal Supply Class is 4130 Refrigeration And Air Conditioning Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 350SA.