Electro Hardware 1427M06F16-440 Hex Standoff 4-40

Product Description

The ELECTRO HARDWARE 1427M06F16-440 is a male-female hex circuit board standoff designed for PCB mounting and stacking applications in electronic assemblies. Machined from aluminum with an anodized finish, this standoff meets the QQ-A-225A Comp 2 material standard and provides reliable spacing and support between circuit boards or between a board and a chassis surface. The hex body measures 0.25 inches across flats, with an overall length of 0.4375 inches (7/16 inch). The male thread and female threaded bore are both sized 4-40. Electronics technicians, field service engineers, and manufacturing assemblers install this type of hardware in control panels, HVAC control boards, and similar enclosed electronic systems.

This standoff is suited for use in residential and commercial electronic control assemblies wherever secure, repeatable PCB spacing is required. Typical applications include HVAC control board mounting, industrial enclosures, and custom electronics chassis builds. The anodized aluminum construction makes it appropriate for environments where corrosion resistance and light weight are priorities. It is sold individually but must be ordered in multiples of 10.

Key Features

• Male-female configuration allows PCB stacking or board-to-chassis mounting
• 4-40 thread size on both male stud and female bore for standard fastener compatibility
• Aluminum construction with anodized finish for corrosion resistance
• Meets QQ-A-225A Comp 2 material standard, T-3 material grade
• Hex body profile allows installation and removal with standard hex drivers or wrenches
• Tight length tolerance of plus or minus 0.005 inches ensures consistent board spacing

Compatibility

Designed as an OEM-style replacement or new-installation hardware for circuit board assemblies using 4-40 threaded fasteners and requiring a 7/16-inch overall standoff height.

Installation Notes

Installation is performed by electronics technicians or qualified assemblers. Power down and de-energize all circuits before installing or removing standoffs from a populated control board. Use an appropriately sized hex driver or nut driver to avoid rounding the hex body. Follow applicable assembly standards and torque guidance from the board or enclosure manufacturer.