Electro Hardware MP431M19F16M2.5 Hex Standoff M2.5

Product Description

The ELECTRO HARDWARE MP431M19F16M2.5 is a female hex circuit board standoff designed to create precise, non-conductive spacing between PCBs and mounting surfaces. Made from nylon with a plain, uncoated finish, this standoff measures 16 mm in overall length (approximately 0.63 inches) with a fully threaded M2.5 x 0.45 thread and a full 16 mm thread depth. The hex body measures 4.5 mm across flats (approximately 0.18 inches). With a tensile strength of 16,500 psi and conformance to MIL-P-17091B, it provides reliable, insulating support in circuit board assemblies. Electronics assemblers, PCB technicians, and electrical panel builders use this type of standoff in control boards across HVAC, industrial, and low-voltage electronics applications.

This standoff suits applications where electrical isolation is required between a printed circuit board and a metal or non-metal chassis. The nylon construction prevents galvanic corrosion and eliminates the risk of short circuits at the mounting point. It is appropriate for use in residential and commercial HVAC control boards, power supply assemblies, and similar panel-mount electronic components where metric fasteners are specified. The M2.5 thread size is standard in many compact control modules and embedded system enclosures.

Key Features

• Female hex body accepts M2.5 x 0.45 threaded fasteners for secure board mounting
• Fully threaded at 16 mm thread depth for maximum fastener engagement
• Nylon construction provides electrical insulation and eliminates galvanic corrosion risk
• Meets MIL-P-17091B fastener standard for consistent dimensional and material quality
• Plain, uncoated finish suitable for clean-environment electronics assemblies
• Tensile strength of 16,500 psi for dependable mechanical retention

Compatibility

Designed as an OEM-style metric standoff for circuit board assemblies requiring M2.5 x 0.45 female hex mounting hardware with nylon insulation properties.

Installation Notes

Installation is performed by electronics assemblers or qualified electrical technicians. Always power down and de-energize the board assembly completely before installing or removing standoffs. Use a correctly sized hex driver or nut driver matched to the 4.5 mm across-flats dimension to avoid deforming the nylon body. Do not overtighten — nylon standoffs are subject to thread stripping if torque is excessive. Follow applicable assembly drawings and IPC standards for PCB mounting hardware installation.