Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5231B110 found under Plate Retaining Shaft by Tempo Instrument Inc. The National Stock Number assigned to this part is 3040000500518, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 5231B110.