Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D27977 163713001 found under Adapter Yoke Bushin by Crane Company. The National Stock Number assigned to this part is 4820011912659, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D27977 163713001.