A-A-584B
Drop test. An assembled case shall be filled with pillows or bags, loaded with sand or vermiculite or some similar substances, to attain the test loads and, at the same time, completely fill the interior of the case to avoid secondary impact due to shifting of the test load. The net load shall be 20.0 + 0.5 pounds. The weight shall be evenly distributed and the case shall be closed and locked during the test. The weighted case shall then dropped 15 times to a concrete floor from a height of 24 + 0.5 inches (measured from the lowest point of the case), 5 times so that it lands on its feet or bottom bumpers, 5 times so that it lands on one side and 5 times so it lands on the opposite side end. Upon completion of the test, the case shall be examined to insure that none of the components are cracked, fractured, perforated, loosened or deformed to the extent that the case is inoperable. After performance of the test, the case shall be fully functional. Cosmetic imperfections, resulting from the drops, shall not be considered defects.
Handle test. Hang or place the case on an upside down position so that the handle will face the floor and swing freely. Attach directly a 100 + 2 pound weight, evenly distributed over the length of the handle and leave suspended for 30 minutes. Remove the weight and check attachment of handle to the case for loosening and/or pull-through or rivets or other attaching hardware. At completion the handle shall remain securely fastened to the case and shall not be deformed.
Lock, latch and hinged test. An assembled case shall be unlatched, opened, closed, and latched for 10, 000 cycles. The above procedure shall be considered one cycle when tested in the sequence cited. Upon completion of the test, the case shall be examined to insure that none of the components are cracked, fractured, loosened or deformed to the extent that the case is inoperable. Deformation, abrasion, or gouging of the frame is permitted only to the extent that it does not, at the same time, deform the shell/or result in more than slight binding of the mating frame and top sections.
Inspection for preparation and delivery. An inspection shall be made to determine whether the packaging, packing, and marking comply with the requirements of the contract or purchase order. Examination for defects shall be in accordance with table II. For examination of interior packaging, the sample unit shall be one shipping container fully prepared for delivery. The sampling shall be in accordance with MIL-STD-105. The lot shall be number of shipping containers in the end item inspection lot. The inspection level shall be S-2 with an AQL of 4.0 defects per hundred units.
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