Check the listing for details. NEC M-166545 NSA-174425 Board. Condition: Used. Listed at 19.99 USD. Dive into the world of electronics with the NEC M-166545 NSA-174425 Board, a robust and versatile component designed for a variety of applications. The model number M-166545 NSA-174425 assures you of its authenticity and specification adherence, making it a safe choice for your electronic projects.