Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WM1-140 found under Stud Turnlock Fastener by Simmons Fastener Corp. The National Stock Number assigned to this part is 5325012854063, and the Federal Supply Class is 5325 Fastening Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like WM1-140.