The TE Connectivity / AMP Brand part 3-641126-3 is a versatile and reliable MTA100 HDR assembly. With a friction lock feature, this assembly ensures secure and stable connections. The notched design enhances ease of use and prevents accidental disconnections. The straight post measures .025 square, allowing for precise and accurate mating. This assembly guarantees excellent electrical performance and is ideal for various applications requiring high-quality interconnections.