Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number OD 50153 P61 found under Washer Lock by Man Diesel And Turbo Ltd. The National Stock Number assigned to this part is 5310996244058, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like OD 50153 P61.