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Darren McQueen came off the bench to rescue a point for Dartford on Saturday.
The Darts looked to be heading for their first home defeat in eight National League South games on Saturday after Chris Dickson's late stunner for Hampton.
But McQueen had other ideas and his deflected shot levelled the scores in stoppage time.
Lee Noble returned to the Dartford line-up with Joe Healy dropping out after two outings in a row.
The visitors lined up with a 3-5-2 formation and Dartford never got to grips with it early on.
Hampton led inside seven minutes when Ricky Wellard's deep right-wing corner was met on the volley by Olver Sprague at the far post and his effort found the back of the net.
WIthin three minutes, Jordan Simpson picked out Dickson but his right-foot drive from 20 yards went just wide of the upright.
It took Dartford 21 minutes to have an effort at goal, Phil Roberts' low drive from distance being comfortably saved by Hampton's on-loan Charlton keeper Ashley Maynard-Brewer.
Roberts had an overhead kick saved as well as a free-kick from distance but it was Hampton who created the better openings.
Tyrell Miller-Rodney crossed for fellow wing-back Jack Connors on 35 minutes but the latter's header went harmlessly over.
Then Dickson created an opening out of nothing after getting the better of Jordan Wynter, but his early shot lacked enough power to beat Bailey Vose.
A penalty just before the hour mark got Darts back on level terms. A deflected cross fell for Noble in the box and he went down under Luke Ruddick's clumsy challenge, leaving referee Tom Bishop little option but to award a spot-kick.
Sheringham stepped up and sent his penalty straight down the middle to level the scores.
Darts had decent spells of possession but were unable to fashion many clear-cut openings.
Hampton regained the lead nine minutes from time when Dickson created another opening out of nothing. He found space just inside the area when there appeared none and flashed a brilliant shot across keeper Vose and into the top corner of the net.
McQueen's deflected strike from distance two minutes into stoppage time levelled the scores and Darts nearly snatched a dramatic winner two minutes later when Sheringham's excellent long-range volley forced a great save from Maynard-Brewer.
Dartford: Vose, Onyemah (Johnson 45mins), Wynter, Vint, Bonner, Greenhalgh (McQueen 69mins), Noble, Crook, Roberts, Hayes (Murphy 83mins), Sheringham. Subs not used: Driver, Coker.
Hampton: Maynard-Brewer, Miller-Rodney, Connors, Ruddick, Bray, Sprague, Simpson (Crawford 79mins), Wellard, Joseph (Wichelow 86mins), Dickson, Maclaren (Dundas 72mins). Subs not used: Lovelock, Hill.
Attendance: 1,103.