Description
Product Overview
The 014973226459 extruded U nut is engineered to meet the rigorous demands of industrial and scientific environments. Constructed from high‑grade alloy steel, the nut benefits from a robust phosphate coating that resists corrosion, moisture, and chemical exposure. Its 3/8‑16 long thread provides ample engagement length, reducing the risk of loosening under vibration and ensuring a secure, long‑lasting connection. The rectangular shape combined with a round head offers a low‑profile footprint while delivering a strong grip for tools during installation. Dimensions are precisely controlled: a 0.38‑inch cutting diameter, 0.4‑pound weight, and a 0.38‑inch item diameter, making it compatible with a wide range of standard fastener assemblies. The product is part of the Hard‑to‑Find Fastener brand, known for delivering reliable speed nuts that simplify assembly processes and improve overall system integrity.
Usage
These extruded U nuts excel in applications where rapid, repeatable fastening is essential. Typical use cases include securing brackets on machinery, anchoring panels in electronic enclosures, and fastening components in automotive test rigs. The long U design accommodates spring‑type mechanisms, allowing for easy insertion of washers or spring washers that provide additional tension control. Because of the phosphate finish, the nuts can be used in outdoor or marine environments without fear of premature rusting. Engineers and maintenance technicians appreciate the consistent thread geometry, which aligns perfectly with standard 3/8‑16 bolts and studs, reducing the need for re‑threading or custom adapters. The nuts are also suitable for assembly line automation, where quick engagement and release are required for high‑throughput production.
Why Choose Us
Choosing the Hard‑to‑Find Fastener extruded U nut means selecting a component that has undergone stringent quality control processes, including dimensional inspection, hardness testing, and coating adhesion verification. Our manufacturing facilities employ precision extrusion techniques that guarantee uniform wall thickness and thread accuracy, translating into predictable performance across every unit. The phosphate coating is applied using a controlled chemical conversion process that enhances surface hardness and provides a barrier against oxidation. In addition, we back each purchase with responsive customer support, offering technical assistance, replacement parts, and guidance on optimal installation practices. Our commitment to sustainability includes sourcing steel from certified recyclers and minimizing waste during production, aligning with environmentally conscious procurement policies.
Key Features
- Corrosion‑resistant phosphate coating extends service life in harsh environments
- Long 3/8‑16 thread delivers extra engagement for secure fastening under vibration
- Rectangular shape with round head simplifies tool access and reduces installation time
- Alloy steel construction provides high tensile strength for heavy‑duty applications
- Dedicated after‑sales support ensures quick answers to technical questions and fast replacements
FAQ
What is the difference between a standard U nut and this long U nut?
The long U nut features an extended thread length, allowing for deeper engagement with the bolt or stud. This extra length improves resistance to loosening, especially in applications with high vibration or dynamic loads.
Can these nuts be used with stainless steel bolts?
Yes, the 3/8‑16 thread size is compatible with stainless steel bolts of the same diameter. The phosphate coating on the nut helps prevent galvanic corrosion when paired with stainless steel fasteners.
Is the phosphate finish suitable for outdoor or marine use?
The phosphate coating provides a protective barrier against moisture and salt exposure, making the nuts suitable for many outdoor and marine applications, though additional sealing may be required for extreme conditions.
How many pieces are included in the package?
Each package contains a single extruded U nut, identified by the part number SPRNT-147-5 and UPC 014973226459.
What support is available if I encounter a fitting issue?
Our technical support team is available to assist with fitment questions, offering guidance on proper installation torque, compatible bolt sizes, and troubleshooting tips to ensure optimal performance.





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