Marshall Precision Manufacturing Quality AssuranceAt Marshall Precision Manufacturing, Inc. our goal is providing a quality product that meets your specifications. Our quality policy is continuous improvement with timely delivery of quality products at competitive prices.

Our final inspection gauges are maintained, documented, and calibrated to certified standards at an independent calibration lab. 

All inspection gauges are traceable to the National Institute of Standards & Technology.

Final inspection is located in a controlled area of the building and has a quality assurance manager with ultimate approval and stamp control. S.P.C is available.

Inspection Equipment and Capabilities:

  • Jones & Lamson 14″ Optical Comparator model FC-14 power 10x – 100x
  • Brown & Sharpe Micro-Hite gauge (digital statistical process control capabilities)
  • Wilson Hardness Tester
  • Surface plates located throughout the manufacturing facility
  • Micrometer 0 – 18 capacity


Quality Assurance Manual is available electronically, CD or hardcopy.

Marshall Precision MFG Quality Procedures

Marshall Precision MFG Quality Manual QM-1000

Marshall Precision MFG Quality Clauses