The age beats the previous record of 16 years, 75 days set by Joey Dawson on 13th August 2019 when he came on as a substitute in a Carabao Cup first round encounter against Derby County.
Cribb, who is a highly-rated Under-16 player that's featured regularly for the Under-18s this season, came on at half-time in the match at the VBS Community Stadium. He's been with the club since the Under-8s age group and is from Grimsby.
Harvey becomes only the eighth 16-year-old to make a senior appearance for the club with Kit Manager Nathan Stanton also falling into that bracket when he made his debut in Division Three against Scarborough on April 13th, 1997 at 16 years, 342 days.
In addition, first year academy trainee Harrison Poulter made his debut against Manchester City Under-21s in the Papa John's Trophy last August at 16 years, 311 days.