Product Search › 15/16 - 20 UNEF 1TP9320 Image 1 of 1 15/16 - 20 UNEF 1TP9320 $190.00 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.