Are the dimensions inside or outside?
All dimensions in the product listing pages are INTERNAL unless otherwise noted.

How do I measure a case?
Case dimensions are always shown in the following order (dimensions are always Internal Dimensions (ID) unless otherwise specified): A case is measured by laying it flat the way you are most likely to open it, and the hinge side opposite or away from you.

Length: The longest measurement, looking down on the case – usually left to right. Width: The narrowest measurement, looking down on the case – usually front to back. Height: Measured from the bottom of the case to the top of the case. The “lid” is designated as H1 and the “base” is designated as H2.

I just bought one of your cases with combination locks, how do I set them?

1. With the lock open, push button (1) in the direction of the arrow and hold down until the second operation has been performed. 2. Set number wheels (2) to the desired combination. (Do not forget the combination you set) 3. Now release button (1) Press the button again as a check.

What does “Mil Spec” mean?
Mil Spec is short for Military Specifications. The U.S. government has established specifications and standards to manufacture most products to be provided to the military. As a U.S. military and government vendor, we are aware of these very stringent specifications.

What does ATA approved mean?
The ATA (Airline Transit Authority) sets standards for packaging and cases in order to protect equipment and products shipped by air transportation. The ATA publishes a manual that indicates the specifications that must met and referred to as ATA 300.

What are the ATA Specifications?
Within the ATA 300 class for transport containers, there are two categories for reusable containers, and a third category for “disposable” containers.



Following is each category’s specifications, and the durability definitions for each respective category.

Temperature extremes: -40 degrees F to 130 degrees F
Fasteners and Hardware: Are to be flush or recessed. Straps and buckles are not acceptable.

Handles/ Hand Holds: Except for molded containers, where guarded handles are used, all handles handholds or grips, shall be recessed flush with the container. There are also requirements regarding the number of handles depending on volume and weight of the container. There are also technical specification requirements for Drop Test, Water Spray Resistance, Shock Absorption and Vibration Tests. To meet ATA specification, cases must surpass these ATA test requirements.