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Sargent & Greenleaf High Security Padlock Dated 1976

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Locks139 of 157Antique Solid Brass Ceco Door Locks Master Lock No. 66
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Posted 6 years ago


(190 items)

Goverment issue high security padlock dated 1976 made of a stainless steel alloy. These locks are very heavy duty and can't even be cut with an acetylene torch, they were used on armories, bunkers, high security area's.


  1. chevy59 chevy59, 6 years ago
    Thanks officailfuel.
  2. chevy59 chevy59, 6 years ago
    Thanks MooreAntique and Grendelking.
  3. chevy59 chevy59, 6 years ago
    Thanks Mark.
  4. sufyan, 6 years ago
    thank you sir,
    i have a question , i have one thae same this item, the problem is i add oil on the key and lock , and i can not open it . if you tell me how i can open it i appreciate it. by the way i bought one of this heavy duty lock from garage sale , and i can not open it . thank you
  5. chevy59 chevy59, 6 years ago
    sufyan, make sure key fits in properly and it should go all the way in, make sure you are pushing in on the lock at the same time. I hope this helps.
  6. beachbomb beachbomb, 5 years ago
    chevy59, nice lock.... sufyan, if you put actual "oil" into the lock, you made it a former locksmith i can tell you, oil gunks up the inside tumblers of a lock, and this type of padlock using "Medeco" tumblers makes it even harder. Medeco tumblers are specifically designed to be much harder to "pick" and the tumblers don't move as freely like a normal security lock. My suggestion to you would be to spray WD-40 into it over a period of time and continue using the key to loosen up the tumblers, eventually it should free up and work. Don't force the key in the lock. Good luck!

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