Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 146-00224-1-SPCLN found under by Precision Machine Products. The National Stock Number assigned to this part is 4470009264241, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 146-00224-1-SPCLN.