Vermont Gage 1.4375-8 UNJ-3B Go No-Go Thread Plug Gage

Description:

The Vermont Gage 1.4375-8 UNJ-3B Thread Plug Gage is a precision GO/NO-GO inspection tool designed to verify the dimensional accuracy and pitch diameter of 1-7/16"-8 UNJ Class 3B internal threads. Featuring a GO pitch diameter of 1.3563 in. and a NO-GO pitch diameter of 1.3634 in., this thread plug gage is commonly used in aerospace, defense, automotive, and precision manufacturing environments to ensure compliance with UNJ thread specifications. Quality inspectors, machinists, and metrology professionals rely on this gage for production inspection, calibration, and quality assurance.

Applications:

The Vermont Gage 1.4375-8 UNJ-3B Thread Plug Gage is commonly used in machine shops, aerospace manufacturing, defense production, calibration laboratories, automotive facilities, and industrial quality control departments where accurate inspection of Class 3B internal UNJ threads is required.

Technical Specifications:

• Manufacturer: Vermont Gage
• Product Type: GO/NO-GO Thread Plug Gage
• Thread Size: 1.4375"-8 (1-7/16"-8)
• Thread Series: UNJ (Unified National Aerospace Thread)
• Thread Class: 3B (Internal Thread)
• GO Pitch Diameter: 1.3563 in.
• NO-GO Pitch Diameter: 1.3634 in.
• Gage Type: Working Thread Plug Gage Assembly
• Designed for Internal Thread Inspection
• Precision Hardened Tool Steel Construction
• Manufactured for High-Accuracy Metrology and Quality Control
• Suitable for Aerospace, Industrial, and OEM Applications

Common Replacements:

• Vermont Gage 1.4375-8 UNJ-3B GO/NO-GO Thread Plug Gage
• Thread Check 1.4375-8 UNJ-3B Thread Plug Gage
• GreatGages 1.4375-8 UNJ-3B GO/NO-GO Plug Gage