Electro Hardware S793-M07-F16-G Circuit Board Spacer

Product Description

The ELECTRO HARDWARE S793-M07-F16-G is a round, female unthreaded circuit board spacer designed to maintain precise standoff clearance between a PCB and its mounting surface. Manufactured from 18-8 Grade 303 stainless steel with an uncoated finish, this spacer meets the QQ-S-763 fastener standard. It accepts a Number 6 screw and measures 0.25 inches overall length, 0.141 inches inside diameter, and 0.3125 inches outside diameter. Inside diameter tolerance runs 0.000 to 0.010 inches, and length tolerance is -0.005 to 0.005 inches, making it suitable for applications where dimensional consistency is critical.

This spacer is used in electronic and electrical assemblies where a circuit board must be mounted at a fixed, repeatable distance from a chassis or sub-panel. Typical applications include control boards in HVAC equipment, industrial enclosures, and other low-voltage electronic assemblies. The stainless steel construction makes it appropriate for environments where mild corrosion resistance is needed. The female unthreaded body accepts a Number 6 machine screw passed through from below, providing a clean, secure mount without threading directly into the board substrate.

Key Features

• 18-8 Grade 303 stainless steel construction meets QQ-S-763 fastener standard
• Female unthreaded body accepts Number 6 screw for straightforward PCB standoff mounting
• 0.25 inch overall length provides consistent board clearance
• Tight inside diameter tolerance (0.000 to 0.010 inches) ensures reliable screw fit
• Uncoated finish maintains dimensional accuracy at the mating surfaces
• Round body shape suits standard PCB mounting hole patterns

Compatibility

Designed as an OEM-style replacement or new-installation spacer for circuit board assemblies using Number 6 screw hardware in inch-measurement systems.

Installation Notes

Installation is performed by electricians, electronics technicians, or HVAC controls technicians. De-energize and lock out the equipment before handling any circuit board assembly. Verify that the mating screw length is appropriate for the combined thickness of the board and spacer stack before fastening. Do not overtighten the mating screw, as the unthreaded bore provides no thread engagement and relies on a clamping arrangement from the fastener hardware.