NOS, New Pitman arm, number on the pitman arm 5 7 184T, No box, No manufacturer, No part number. Don't know what it's for, car, truck, manufacture, year?
Length from center hole to center grease nipple 6-3/4" Total length pitman arm is 8-5/8. Has 4 wider splines. Spline hole is tapered from 1-1/8 to 1-3/16.
Numbers on the dust Boot are 23385 and 2535459.