High security padlocks are intended for general military use with high security hasps where a high degree of physical security is required as specified by Enclosure 5, paragraph 2.g.(2) of
DoD Manual 5100.76.
High security padlocks are covered by military specification
MIL-DTL-43607J,
"Padlock, Key Operated, High Security, Shrouded Shackle".
The number of keys for a high security padlock are limited to one control key and two operating keys as specified in paragraph 3.6.3.4 of MIL-DTL-43607J.
Enclosure 4, paragraph 10.b of DoD Manual 5100.76 requires that the number of keys be held to an absolute minimum.
High security hasps must conform to military specification
MIL-DTL-29181D,
"Hasp, High Security, Shrouded, For High And Medium Security Padlock".
Visit our
High Security Hasps page
for more information on high security hasps.
The S&G 951 high security padlock has been tested and approved meeting military specification MIL-DTL-43607J and is available from DLA Land and Maritime.
Click on the Ordering Information tab for NSNs and information on how to procure this lock.
The S&G 833C is the only other high security padlock that meets MIL-DTL-43607J and is approved for use, however, it is no longer manufactured.
The DoD Lock Program can provide servicing and demilling of S&G 833C and 951 high security padlocks.
Click on the High Security Padlock Services tab for more information.
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