Our Series 0304 JIC Standard Nuts, crafted from durable carbon steel, are designed for use with 37° flare JIC fittings, which are commonly used in fluid power systems. These standard nuts ensure a secure and leak-free connection between male and female JIC components. Engineered for reliable performance in demanding environments, they provide a strong, lasting seal and are essential for creating safe, high-pressure hydraulic connections. Whether for industrial or commercial applications, these carbon steel JIC standard nuts meet the highest industry standards, offering both strength and durability for efficient fluid transfer and system integrity.