M10x1.0 M10x1.25 M10x1.5 M12x1.25 M12x1.5 1/8 NPT 1/4 NPT 7/16-24 IF (inverted flare) 7/16-24 IF (inverted flare) w/0.040"restrictor 7/16-24 IF (inverted flare) w/0.040"restrictor GT35 restrictor flange GT35 restrictor flange GT40 JB to 1/8NPT flange