The Danfoss NV1-10-K-0 (Part Number: 565590) is a high-performance manual adjustment hydraulic needle valve cartridge engineered for precise flow control and reliable shut-off in demanding fluid power systems. Designed to seamlessly fit industry-standard 10-series cavities, this versatile valve provides accurate metering for both industrial and mobile equipment applications. Built for durability, it features a heavy-duty threaded steel body and a secure hexagonal lock nut to maintain consistent flow settings under pressure. The ergonomic black star-shaped adjustment knob is equipped with a clear brass indicator plate for easy visual reference during tuning. Originally developed under the trusted Eaton Vickers brand and now proudly manufactured by Danfoss, this cartridge valve comes complete with a translucent protective cap to shield the adjustment mechanism from environmental contaminants.