This is a 3/8 inch diameter by 2 inch long PIN SPRING from NORTEK SECURITY and CONTROL LLC, part number 2400-474. It is designed for secure and reliable fastening applications within security and control systems.
This spring pin offers a robust and straightforward method for joining components or providing spring tension.
2400-474 - Nortek Security And Control Llc PIN SPRING 3/8 X 2