Aeroflow 510 Series Full Flow Tight Radius Push Lock 45° Hose End -12AN (AF512-12)12AN 45 DEG FULL FLOW PUSH LO Blue Finish. Suits 400 & 500 Series Hose Part Number: AF512 12 Aeroflow's 510 series push lock fittings are a CNC machined one piece fitting which provide uninterrupted flow. The mandrel bent tight radius body has superior wall thickness with a custom designed barbed end to allow a quick, easy and leak free assembly. Aeroflow's push lock fittings come with a purpose designed cover to hide the messy cut end of the hose to