Used on aircraft application. 2a thread class right-hand 1.531" overall length 6600.0 pounds per square inch tensile strength rating four @lockwire holes anodize surface treated inverted nut, tube, flare
Used on 2420-66-148-7692, hmee (high mobility engineer excavator). 2a 1st end thread class 12 1st end thread quantity per inch npt 2nd end thread series