Coupled with Ashford being held to a 2-2 by Lancing, the win means United are now four points clear in top spot - a superb effort given they were ninth not that many weeks ago.
Ben Pope (2), Finn O’Mara and Andrew Sesay got the goals on a pitch that was only just playable after persistent rain.
A crowd of 901 were there to see it.
Hastings make the trip to Whitstable this weekend hoping to keep up their fine run.
