Spi 19-269-0 Class Zz Minus Plug Pin Gage 0.269 in

Product Description

The SPI 19-269-0 is a Class ZZ minus plug pin gage ground to a nominal diameter of 0.269 inches with a minus tolerance of 0.0002 inches. Pin gages of this class are used to verify hole diameters, check go/no-go fit conditions, and confirm bore dimensions to tight tolerances in production and inspection environments. Constructed from steel for wear resistance and dimensional stability, this gage is a standard toolroom and quality-control instrument. Class ZZ is the general-purpose class for in-process inspection of non-critical fits. Machinists, tool-and-die makers, and quality technicians are the primary users.

This gage is suited to dimensional inspection tasks in machine shops, manufacturing facilities, and maintenance environments where hole size verification is required. It is used in go/no-go gage sets and as a standalone check pin when a specific diameter must be confirmed. The 0.269-inch nominal size covers applications where fractional or letter-size drills near that diameter are used and bore conformance must be verified before assembly.

Key Features

• Class ZZ minus tolerance: 0.0002 inches below nominal for controlled fit verification
• Nominal diameter of 0.269 inches for precise hole-size confirmation
• Steel construction provides durability and dimensional stability under repeated use
• Compact, single-pin format fits standard pin gage handles and wire gage holders
• Suitable for go/no-go inspection routines in production and toolroom settings

Compatibility

Designed as an OEM-style replacement or supplemental pin for standard plug gage handle sets accepting 0.269-inch diameter class ZZ minus pins. Compatible with most commercial pin gage handles designed for this diameter range.

Installation Notes

Pin gages should be handled with clean, dry hands or cotton gloves to prevent corrosion from skin oils. Before use, verify the gage surface is free of nicks, burrs, or contamination that could affect measurement accuracy. Store pins in a protective case away from temperature extremes to maintain dimensional stability. Calibration against a traceable standard is recommended at regular intervals per your quality management system requirements.