That's a good chart SAG 180. As the chart shows, lock washers don't do much. Here's what NASA has to say on the subject:

In theory split washers (aka lock washers or helical spring washers) are supposed Serrated flange nuts are probably the best way to go.

Lock washers and vibration-resistant washers are designed to prevent a threaded fastener from loosening. The terms are often used 

They are also often called split lock or split ring washers. A spring washer has a split in the washer section that when tightened each side of the split bites 

However, simple split washers, sometimes called helical spring washers, have been found to actually loosen the bolt under vibration even faster than a joint 

5 Best Washing Machine For Low Vibration 2022. 1. LG Electronics Front Load Washer with Steam and TurboWash. Would it not be great to wash a king-size comforter and other beddings in a single load, 2. LG Electronics Mega Capacity Top Load Washer in White. 3. LG Electronics Top Load Washing

Nov 28,  · Helical Spring (split) lock washers are a time tested design preference in many assembly applications. Improving assembly integrity is accomplished with the introduction of the helical spring lock washer in the following ways. The split in the lock washer absorbs initial driving torque and visually closes under nominal bolt loading.

Wave and split washers generally bottom out at such low forces that they provide very little vibration resistance. Belleville washers, conical spring washers or cupped spring washers, these are disc-shaped washers that have been pressed into a conical shell to create a very compact spring. They can generate considerable preload forces and be combined in a number of ways to adjust the preload characteristics.

The Hillman Group 300018 Split Lock Washer, 1/4", Steel, 100 Pieces, Commonly used in applications using a bolt or a screw where two pieces are being joined together, Split ends grip the material surface to prevent loosening during vibration, Zinc finish for moderate corrosion resistance, Use with like nuts and bolts of similar diameter,

Unbalanced load: A single large wet item such as a comforter or blanket can "hug" one side of the washer during the spin, throwing the washer off-balance and causing it to vibrate. Adding one or more towels, or redistributing the weight and resetting the washer, can often solve this problem. Harder washable items, such as dirty sneakers, should

Threaded fasteners naturally tend to loosen under vibration, impact, A wedge washer consists of a pair of locking washers with a cam on one side and