Electro Hardware MP407M19F16M2.5 Female Hex Standoff M2.5

Product Description

The ELECTRO HARDWARE MP407M19F16M2.5 is a female hex circuit board standoff designed to create precise spacing between PCB layers and mounting surfaces in electronic assemblies. Machined from nylon with a plain, uncoated finish, this standoff features an M2.5 x 0.45 female thread, a 4 mm overall length, and a fully threaded 4 mm thread depth. The hexagonal body measures 4.5 mm across flats, providing secure tool engagement during installation. With a tensile strength of 16,500 psi, the nylon construction resists electrical conductivity, making it well-suited for sensitive circuit board environments. It meets MIL-P-17091B fastener standards. Licensed electricians and electronics technicians are the primary installers of this component.

This standoff is used in PCB mounting applications across residential and commercial electronic control panels, HVAC control boards, industrial automation assemblies, and similar low-voltage electronic equipment. Its metric M2.5 x 0.45 thread size fits standard metric-threaded PCB mounting holes. The compact 4 mm overall length suits tight board-to-board or board-to-chassis spacing requirements where minimal stack height is critical. A minimum order quantity of 10 pieces applies per order.

Key Features

• Female M2.5 x 0.45 thread, fully threaded to 4 mm depth for secure fastener engagement
• Nylon construction provides electrical insulation and corrosion resistance
• Hexagonal body at 4.5 mm across flats allows standard wrench or socket installation
• Meets MIL-P-17091B fastener standard for quality and dimensional consistency
• Tensile strength of 16,500 psi suitable for light-duty PCB mounting loads
• Plain, uncoated finish with no added metallic coating that could affect insulation properties

Compatibility

Designed as an OEM-style replacement or new-installation standoff for metric M2.5 x 0.45 threaded PCB mounting applications in electronic control assemblies.

Installation Notes

Installation is performed by licensed electricians or electronics technicians. Always de-energize and discharge any circuit board assembly before installing or removing standoffs. Use an appropriately sized hex wrench or socket to engage the 4.5 mm flats without over-torquing, as nylon threads can strip under excessive force. Follow applicable NEC guidelines and equipment manufacturer instructions when servicing control board assemblies.