Hex Nut-Grade 5-Thread Size 5/16-18, Height 1/2 In.

Hex Nut-Grade 5-Thread Size 5/16-24, Height 1/2 In Zinc-Plated Pack of 17

Hex Nut-Grade 5-1/4-20 In. Height; 7/16 In.

Hex Nut-Thread Size; 5/16-18 Height; 1/2 In.

Hex Nut-Grade 5-3/8-16 In. Height; 9/16 In.

Hex Nut-Thread Size 5/16-18, Height 1/2 In. Dorman 810-011 UPC 019495830115

Hex Nut-Grade 5-7/16-14 In. Height; 11/16 In.

Dorman 810-011BX Hex Nut-Thread Size; 5/16-18, Height; 1/2 In.