Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 237-A4-60-60-A-GS found under Hingebutt by J W Winco Inc. The National Stock Number assigned to this part is 5340016918952, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 237-A4-60-60-A-GS.