degrees and then examined for compliance with 3.5.2.
AA-F-358J
4.6.14 6 inch drop test (S cabinet only). The SB cabinet, loaded with 20 pounds per drawer, shall be locked and then raised until the bottom of the pedestal is 6 inches above the floor surface. The cabinet shall then be
allowed to free fall, base down, onto a hard level surface. The test shall not cause appreciable distortion to the pedestal nor weaken its attachment to the cabinet. Additionally, any resulting damage to the security protection
afforded by the cabinet, or its operation, shall be considered as failure to meet the test requirements. Failure of the test shall provide reason to reject the sample.
4.6.15 High impact shipboard shock test (S cabinet only). In accordance with MIL-S-901 the S cabinet shall undergo the following test criteria:
Test Category- Medium Weight Shock Grade- Grade A Equipment Class- Class 1
Shock Test Type- Type A, Principal Unit Equipment Mounting Location- Deck Mounted Mounting Plane aboard Ship- Base Mounted Mounting Orientation aboard Ship- Unrestricted Exceptions to MIL-S-901- None
The cabinet shall be mounted to a 1 inch thick, 36 inch by 36 inch (minimum) steel plate with six Grade 5, �-13 UNC hex head bolts and lock nuts. The bolts will be tightened to 75 ft-lbs (dry). This plate will then be mounted to the medium weight shock test machine. Each drawer shall be loaded with 20 pounds, which shall not be compacted or held in place by the follower block. The cabinet will then be locked. The cabinet may not be opened, removed from the mounting plate or the load adjusted in any way for the duration of the test.
The cabinet shall be subjected to nine impacts as defined in Table IV. The test shall not cause the container or any of its component parts to break loose from their mountings. There shall be no appreciable distortion to the cabinet or pedestal nor weakening of any of their mechanical attachments or welds. Additionally, any resulting damage to the security protection afforded by the cabinet, or its operation, shall be considered as failure to meet the test requirements. Failure of the test shall provide reason to reject the sample.
TABLE IV. Shock Blow Test.
Blow # |
Group # |
Equipment Test Orientation |
Hammer Drop Height (ft) |
Anvil Table Travel (in) |
1 |
I |
Vertical |
1 |
3 |
2 |
II |
2 |
3 |
|
3 |
III |
2 |
1.5 |
|
4 |
I |
Inclined 30° mounting, drawer fronts facing down the incline |
1.25 |
3 |
5 |
II |
2.25 |
3 |
|
6 |
III |
2.25 |
1.5 |
|
7 |
I |
Inclined 30° mounting, side of cabinet facing down the incline |
1.25 |
3 |
8 |
II |
2.25 |
3 |
|
9 |
III |
2.25 |
1.5 |
4.6.16 Vibration test (S cabinet only). In accordance with MIL-STD-167-
1 the S cabinet shall undergo the following test criteria:
Test Category - I, Externally Generated Environmental Vibration
Range - 4 to 33 Hz
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