1/2 MS35333, Military Internal Tooth Lock Washer 410 Stainless Steel DFAR 1/2-13 NTE The screw is 3/8" long

The screw is 3/8" long and has a diameter of 1/4"

is a type of screw that is specifically designed for military applications

Carriage bolts are typically used to secure wood to metal or wood to wood

These 10-12 x 3/4 inch Combination (slot/phil) Pan Head Self Tapping Screw Type A Full Thread Zinc screws are designed for a variety of applications

which is designed for use in metal applications

1/2 MS35333, Military Internal Tooth Lock Washer 410 Stainless Steel DFAR 1/2-13 NTE The screw is 3/8" longThe 1 2 MS35333 is a Military Internal Tooth Lock Washer made of 410 Stainless Steel that conforms to the Defense Federal Acquisition Regulation Supplement (DFARS). It is a split ring washer with internal teeth that bite into the mating surface to prevent loosening due to vibration or shock. The washer has a nominal inside diameter of 1 2 inch and a thickness of 0. 032 inches. It is designed for use in high stress applications where vibration or shock