MS51506, MILITARY STANDARD: FITTINGS, HYDRAULIC TUBE, FLARED 37 DEGREE AND FLARELESS, STEEL; ELBOW, PIPE TO TUBE, 90 DEGREE, FEMALE PIPE END, 37 DEGRE

MS51506, MILITARY STANDARD: FITTINGS, HYDRAULIC TUBE, FLARED 37 DEGREE AND FLARELESS, STEEL; ELBOW, PIPE TO TUBE, 90 DEGREE, FEMALE PIPE END, 37 DEGREE FLARED (USE SAE-J514) (16 FEB 1988).