Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 60-14-157 found under Knob Cover Head Cyl by Ecolaire Heat Transfer Co. The National Stock Number assigned to this part is 5355003657790, and the Federal Supply Class is 5355 Knobs And Pointers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 60-14-157.