The 6401S 1 45 deg Flared Short Forged Nut is a high-strength, precision-machined fastener designed for secure connections in hydraulic, pneumatic, refrigeration, fuel, and gas systems. Its compact design makes it ideal for tight spaces where a standard nut might be too large. This fitting has excellent resistance to pressure, vibration, and mechanical stress, while ensuring tight, leak-free connections. Made from forged brass, it offers superior durability and natural corrosion resistance.