MIL-STD-1875, MILITARY STANDARD: ULTRASONIC INSPECTION, REQUIREMENTS FOR (15 APR 1983)
MIL-STD-1875, MILITARY STANDARD: ULTRASONIC INSPECTION, REQUIREMENTS FOR (15 APR 1983)., This Military Standard establishes the requirements for the ultrasonic
inspection of materials and parts performed by either the contact or
immersion methods.