3/8 MS35338, Military Split Lock Washer CAD II per QQ-P-416 Type 2 Class 2 DPTDBPT The nut has a hexagonal

The nut has a hexagonal shape

They have a 2" outside diameter and a 3/8" inside diameter

5/8-11 x 2 Hex Cap Screw Grade 2 Zinc is a type of fastener with a hexagonal head and a threaded shaft

and the full thread design ensures a strong connection

It has a truss head with a Phillips drive

3/8 MS35338, Military Split Lock Washer CAD II per QQ-P-416 Type 2 Class 2 DPTDBPT The nut has a hexagonalMS35338 is a Military Split Lock Washer CAD II per QQ P 416 Type 2 Class 2. It is a thin, split ring with sharp edges that are designed to bite into the surface of a bolt or nut to prevent it from loosening. MS35338 washers are made of corrosion resistant steel and are available in a variety of sizes to fit different bolt diameters. They are commonly used in aerospace, automotive, and other industries where high reliability fastening is required.