Vermont Gage 911237400 Class Zz Minus Plug Pin Gage 0.374in

Product Description

The VERMONT GAGE 911237400 is a Class ZZ Minus plug pin gage used to perform NoGo inspection of bored holes, machined bores, and precision-fit openings. It measures a nominal diameter of 0.3740 inches with a tolerance of 0.0002 inches, delivering the tight dimensional control required for quality assurance in machine shops, tool rooms, and manufacturing environments. The gage is machined from steel with a black oxide finish that resists corrosion and reduces light reflection during inspection. Each unit ships with a Certificate of Accuracy traceable to NIST standards, satisfying documentation requirements for ISO-compliant and regulated production settings. Machinists, quality technicians, and tool room personnel are the primary users.

This plug pin gage is suited for NoGo inspection tasks where confirming that a bore has not been oversized is the critical measurement objective. It is also used as a setting standard for micrometers, verniers, and other measuring devices that require a known reference diameter. The 2-inch overall length provides a practical grip and adequate reach for most bench and in-process inspection applications. Typical installation environments include precision machining facilities, aerospace and automotive component inspection, and general metalworking quality control.

Key Features

• Class ZZ Minus tolerance class for NoGo inspection applications
• 0.3740 inch nominal diameter with 0.0002 inch tolerance
• Steel construction with black oxide finish for corrosion resistance
• 2 inch overall length for convenient handling during inspection
• Includes Certificate of Accuracy with NIST traceability for documentation compliance
• Compatible with micrometers, verniers, and other precision measuring devices as a setting reference

Compatibility

Designed for NoGo inspection use and as a setting reference for micrometers, verniers, and other precision measuring devices requiring a 0.3740 inch diameter reference standard.

Installation Notes

Plug pin gages are handled and used by quality technicians and machinists and require no permanent installation. Keep the gage clean and lightly oiled when stored to prevent corrosion on the steel surface. Avoid dropping or striking the gage, as any deformation will affect measurement accuracy. Verify gage calibration status before use in critical inspection sequences.