Stamped with "AMP 12-10* " on back of part. Not in original packaging.

Width at Outer Edges    0.312" (7.92mm)
Length - Overall    1.314" (33.38mm)
Termination Type    Crimp
Wire Gauge    10-12 AWG
Color    Yellow
Contact Finish    Tin
Contact Material    Copper
Insulation Diameter    0.150" ~ 0.230" (3.81mm ~                5.84mm)
Material - Insulation    Polyamide (PA), Nylon
Length - Ring Center to Termination    0.468" (11.89mm)
Length - Termination    0.591" (15.01mm)
Tongue Inside Opening    0.171" (4.34mm)