AN165501 THRU AN165800 (REV. 3), AIR FORCE-NAVY AERONAUTICAL STANDARD: STUD-STEPPED, DRILLED, NECKED, WRENCH PAD, 1.5 DIA ENGAGEMENT, .3125-18 X .250-28 (9 0CT 1987)
AN165501 THRU AN165800 (REV. 3), AIR FORCE-NAVY AERONAUTICAL STANDARD: STUD-STEPPED, DRILLED, NECKED, WRENCH PAD, 1.5 DIA ENGAGEMENT, .3125-18 X .250-28 (9 0CT 1987).