Understanding the 5306-01-124-5784 Close Tolerance Bolt
The 5306-01-124-5784 is a precision-engineered Close Tolerance Bolt designed for applications where exact fitment and structural integrity are critical. As a specialized fastener, this component is manufactured to maintain a diameter tolerance within one thousandth (0.001) of an inch, ensuring it performs reliably in demanding environments where standard machine bolts may not meet the necessary requirements.
Key Technical Specifications
This fastener is designed with a dished hexagon head and includes specific features to maintain stability and prevent vibration-induced loosening. Notable technical characteristics include:
- Thread Specifications: UNJF thread series, 0.250-inch nominal diameter, with 28 threads per inch and a Class 3A fit.
- Dimensions: The fastener has a total length ranging between 1.883 and 1.903 inches, with a grip length of 1.438 to 1.454 inches.
- Grip Diameter: Precision-machined to a range of 0.2490 to 0.2495 inches.
- Special Features: Includes a retaining element on the shank and is equipped with two holes spaced ninety degrees apart, commonly utilized for safety wiring or securing the bolt in high-vibration applications.
Manufacturer and Compatibility
The primary manufacturer associated with this part is Sikorsky Aircraft Corporation (CAGE Code: 78286). This component is frequently identified by the alternate part number SS5115-4-23. Given its origin and engineering standards, this bolt is commonly utilized in aerospace and aviation hardware, specifically within the maintenance and assembly of rotary-wing aircraft where precision-fit fasteners are essential for airframe safety.