Product Search › 5/16 - 28 UN 1TP3128 Image 1 of 1 5/16 - 28 UN 1TP3128 $140.00 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.