10-12 AWG ring terminal, #6 stud, PIDG series
The 2-320567-2 is a 10-12 AWG circular ring terminal from TE Connectivity's PIDG series, terminated by crimp and sized for a #6 stud. The yellow nylon insulation covers a tin-plated copper contact with a serrated inner barrel for conductor grip after crimp. Overall length is 1.083" (27.51mm); the outer edge width measures 0.375" (9.53mm).
