Heavy-duty ring terminal for 4 AWG
The 1-331420-1 is the 4 AWG, 3/8 stud member of TE's Solistrand ring terminal line — a non-insulated, circular terminal for free-hanging crimp termination. Tin-plated copper construction with a 0.091" (2.31mm) thickness and a brazed seam, serrated termination for heavy-duty wire connections.
Stud size and wire gauge contrast within Solistrand
Within the Solistrand series, the 1-331420-1 (4 AWG, 3/8 stud) is the heaviest-gauge member — compare to the 14-16 AWG 1377172-9 (1/4 stud) and the 18-22 AWG 133521-1 (8 stud, gold-plated); the wire gauge and stud size scale together across the family.