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The GIBRALTAR REFR-312-G is a stainless steel quick release pin receptacle designed to accept 5/16-inch diameter quick release pins in mechanical assemblies, fixtures, and industrial equipment. Constructed from Grade 303 stainless steel, this receptacle features a rectangle mounting flange with a 6-32 threaded mounting hole for secure, repeatable installation. The receptacle measures 0.469 inches in diameter and 0.783 inches in depth, providing a reliable socket for pin engagement. It is installed by maintenance technicians and mechanical assemblers wherever tool-free pin-and-socket connections are required.
This receptacle is suited for use in light industrial, manufacturing, and trade equipment applications where quick-disconnect fastening is preferred over threaded hardware. The rectangle flange format allows flush or surface mounting on panels, brackets, and frames. The 6-32 mounting hole thread size is compatible with standard machine screws. Mounting hole centers are spaced 1 inch apart, making layout and installation straightforward on standard fabricated panels and enclosures.
Designed as an OEM-style receptacle for use with 5/16-inch quick release pins in mechanical assemblies requiring rectangle flange mounting with 6-32 hardware.
Installation is performed by mechanical technicians or maintenance personnel using standard hand tools. Secure the flange to the mounting surface using 6-32 machine screws through both mounting holes before inserting the mating pin. Ensure the mounting surface is flat and free of debris to prevent flange distortion and maintain proper pin alignment. Verify pin diameter compatibility before final assembly.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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