Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number J2592 found under Clip Socket Wrench Holder by Stanley Proto Industrial Tools. The National Stock Number assigned to this part is 5140013649467, and the Federal Supply Class is 5140 Tool And Hardware Boxes. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like J2592.