Sargent and Greenleaf (no combination)

[serrurier]

Good day,

I got this lock in a bulk buy. I know they are quite secure but at this time I am trying to find info as to what I am facing. Can these things be picked so that they can be reprogrammed?

tks

[GWiens2001]

Picked? No. Can the combination be changed? Yes, if you have the lock open and a change key.

It makes a dandy paperweight.

You can try a default combination - older ones had a factory combo of 10-20-30 then turn the dial to 0 and pull the shackle. Newer ones had a combo of 25, then turn to 0 and pull the shackle.

Or if you know someone who does machining, they can make it into a really cool cutaway. The internals are like a S&G safe lock, but smaller.

Gordon

[buddykiller]

they are very secure but there are ways, unbeknownst to me, to crack them. pretty sure there are members here who can crack it, if they'll reveal themselves you may be able to work a deal out with them to crack it for you. other than that you'll have to use some google-fu to find a cracking method if you want a usable lock.

[Squelchtone]

they are very secure but there are ways, unbeknownst to me, to crack them. pretty sure there are members here who can crack it, if they'll reveal themselves you may be able to work a deal out with them to crack it for you. other than that you'll have to use some google-fu to find a cracking method if you want a usable lock.

I'm gonna say there's 99% chance that there is nobody here who can manipulate (crack) one of those padlocks. Now, has anyone manipulated one from 1960 to today? yeah probably, but not someone who just sits down and can open one in an hour or two. That's the whole point, it was a lock made for the government and made to be difficult to open. We dont have any "tricks" or anything like that to pop one open.

Squelchtone

[buddykiller]

they are very secure but there are ways, unbeknownst to me, to crack them. pretty sure there are members here who can crack it, if they'll reveal themselves you may be able to work a deal out with them to crack it for you. other than that you'll have to use some google-fu to find a cracking method if you want a usable lock.

I'm gonna say there's 99% chance that there is nobody here who can manipulate (crack) one of those padlocks. Now, has anyone manipulated one from 1960 to today? yeah probably, but not someone who just sits down and can open one in an hour or two. That's the whole point, it was a lock made for the government and made to be difficult to open. We dont have any "tricks" or anything like that to pop one open.

Squelchtone

ah, duly noted. i seemed to remember reading some kind of government statement about them no longer being endorsed (or something like that) due to a known bypass or cracking method. the internet being what it is, and locksport being big in the hacker scene, i just assumed it was out there somewhere. i guess we all know what happens when you assume

[Tyler J. Thomas]

Without revealing too much, a lot can be learned from safe locks and their combination when viewing the change key hole (very bottom, backside of padlock). Is that the same with this lock? Couldn't tell you but, traditionally, the change key hole is a useful thing for safe cracking.

Keep that in mind.

[serrurier]

tks to all

I am not ready to throw in the towel yet but not being an expert I will keep this one for later but who knows if I have to I will cut it open to learn the inners.

take care

[Tyler J. Thomas]

tks to all

I am not ready to throw in the towel yet but not being an expert I will keep this one for later but who knows if I have to I will cut it open to learn the inners.

take care

Did you see this?

http://www.lockwiki.com/index.php/S%26G_8088

[averagejoe]

Without revealing too much, a lot can be learned from safe locks and their combination when viewing the change key hole (very bottom, backside of padlock). Is that the same with this lock? Couldn't tell you but, traditionally, the change key hole is a useful thing for safe cracking.

Keep that in mind.

See that little button on the back? It moves the cover to the change key hole. It can only be opened when the lock is open so you cant just view it at any time.

ah, duly noted. i seemed to remember reading some kind of government statement about them no longer being endorsed (or something like that) due to a known bypass or cracking method. the internet being what it is, and locksport being big in the hacker scene, i just assumed it was out there somewhere. i guess we all know what happens when you assume

Yes, there is a "bypass" of sorts that lets you get the combination if you know what you are doing and have the right tool(s). That is why the new ones have the chrome plated cover and thick steel back over them now so you can't do that method anymore.

[serrurier]

tks to all

I am not ready to throw in the towel yet but not being an expert I will keep this one for later but who knows if I have to I will cut it open to learn the inners.

take care

Did you see this?

http://www.lockwiki.com/index.php/S%26G_8088

thank you I had not seen this. I checked it out and there are some nice information. I will keep on digging now that my curiosity has been challenged he sure makes me want to find a way no matter what. In the end even if I don't succeed I will learn something.

take care

[buddykiller]

tks to all

I am not ready to throw in the towel yet but not being an expert I will keep this one for later but who knows if I have to I will cut it open to learn the inners.

take care

Did you see this?

http://www.lockwiki.com/index.php/S%26G_8088

ah, that's where i read that at.