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MIL-Spec Cheat Sheet

Military standards, or MIL-STDs, are more than just alphabet soup.  They are used to help achieve standardization objectives by the U.S. Department of Defense.

Here are some commonly used MIL-STDs and what they mean:

MIL-S-901D
What is it:
U.S. Navy defense standard that states that a piece of equipment mounted on a Navy ship will survive after a shock event, such as being hit by a missile or torpedo. We utilize the MIL-S-901D Lightweight Shock Machine Test, also known as the Hammer Test, to qualify our products to the MIL-STD Standard.…

It’s Hammer (Test) Time!

De Leon Springs, Fla. — LeBron James isn’t the only one who regularly throws the hammer down. Technicians at DLS, a part of the ECP segment (Engineered Components & Products) of Sparton Corp., routinely perform the MIL-S-901D Lightweight Shock Machine Test, which is more commonly known as the Hammer Test.

During the Hammer Test, 400 pounds of steel is released from five feet above the center line of the unit being tested. In the above video, the technician is testing the Aydin Displays model 8819-9U, a 19″ Ruggedized Military COTS LCD Display.…