Product Search › 3/4 - 20 UNEF 1TP7520 - T Image 1 of 1 3/4 - 20 UNEF 1TP7520 - T $325.00 Part identification and A, B, C, and D dimensions listed within the product selection. Dimension reference image below. Quantity: Add To Cart Added! Part identification and A, B, C, and D dimensions listed within the product selection. Dimension reference image below.