CALIFORNIA WARNING: This product can expose you to chemicals, including lead and DEHP, which are known to the State of California to cause cancer and birth defects, or other reproductive harm. For more information, go to https://www.p65warnings.ca.gov.
10-24 thread KEPS nut with attached external tooth lockwasher.
Zinc-plated steel machine screw nut with tooth washer, 10-24 thread size, 3/8 inch nut width, 1/8 inch nut height
Reference:
240-5207-00