Used on fuel electronics assy, rmv. 0.508" hole diameter 0.688" outside diameter nylon shoulder washer natural color is off-white length is .079 shouldered
Used on add on armor (fmtv). 8.7mm hole diameter 16.6mm outside diameter washer, nordlock part consists of two washers glued together. if the two washers become detached, reattach by mating the tapered surfaces before assembly. zinc surface treated two piece interlocking