Aeroflow 400 Series Push Lock 45° Hose End -10AN (AF402-10)45 DEG PUSH LOCK END 10AN Blue Finish. Suits 400 & 500 Series Hose Part Number: AF402 10 Aeroflow's 400 series push lock fittings are a mandrel bent braised full flow fitting 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 give you that professional look everytime. Compatible Hose: 400 and 500 Series Push Lock hose