The TE CONNECTIVITY / AMP BRAND part 1617031-4, also known by its short description HFW1201K103 = M39016/6-142L, is a high-quality, reliable relay designed for critical applications. Engineered to meet military specifications, this part ensures robust performance and longevity under demanding conditions. It features a compact and lightweight design, making it ideal for use in aerospace, defense, and industrial applications where space and weight are at a premium. This relay is built to withstand extreme environments, offering superior resistance to shock, vibration, and temperature fluctuations. Its precise construction guarantees consistent, high-performance operation, making it a top choice for engineers and technicians seeking dependable, top-tier components. With TE CONNECTIVITY's reputation for quality and AMP BRAND's longstanding industry presence, part 1617031-4 assures exceptional reliability and efficiency in every use.