S&G 8430: Difference between revisions

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(No false gates on 843x locks; those are part of the wheel's structure and wouldn't even make sense as false gates)
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File:S%26G_8430_Group_1R_Tab_Lock_Disassembled.jpg|The tab lock mechanism disassembled
File:S%26G_8430_Group_1R_Tab_Lock_Disassembled.jpg|The tab lock mechanism disassembled
File:S%26G_8430_UL_1R_Dial.jpg|The dial of the S&G 8430 1R  
File:S%26G_8430_UL_1R_Dial.jpg|The dial of the S&G 8430 1R  
File:S%26G_8430_Group_1R_False_feeling_around_gates.jpg|False gates on the wheels on either side of the true gate
File:S%26G_8430_Group_1R_False_feeling_around_gates.jpg|Gate on a wheel. Note that the notches next to the gate aren't false gates but part of the key change mechanism (ie. part of the wheel's structure) – false gates would have to be the same width as the true gate, fully indented (these don't go "through" the entire wheel) and not placed as regularly
File:S%26G_8430_Group_1R_False_feeling.jpg|False gates on the top wheel
File:S%26G_8430_Group_1R_False_feeling.jpg|Wheel with part of key change mechanism visible
File:S%26G_8430_Group_1R_Wheel_Pack.jpg|S&G 8430 1R Wheel pack
File:S%26G_8430_Group_1R_Wheel_Pack.jpg|S&G 8430 1R Wheel pack
File:S%26G_8430_Group_1R_Wheel_Pack_inside_no_bolt.jpg|Wheel pack with bolt removed.
File:S%26G_8430_Group_1R_Wheel_Pack_inside_no_bolt.jpg|Wheel pack with bolt removed.
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File:S%26G_8430_Group_1R_Wheel_PackSide.jpg|Sticker markings
File:S%26G_8430_Group_1R_Wheel_PackSide.jpg|Sticker markings
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== External links ==
== External links ==

Revision as of 16:23, 30 July 2021

Sargent and Greenleaf 8430 1R

S&G 8430 1R
S&G 8430 Group 1R inside with Tab lock.jpg
Name S&G 8430 1R
Manufacturer Sargent & Greenleaf
Lock Type Safe lock
Lock Design Combination


The 8430 is a UL Group 1R combination lock made by Sargent and Greenleaf. It is mainly used on safes and vaults and GSA Containers.


Principles of operation

The 8430 uses a mechanism to prevent the fence from touching the wheel pack during dialing. Unless all wheels are alligned correctly, and the dial unlocks the cam wheel, the fence will not drop.


Vulnerabilities

The 8430 may be vulnerable to the following attacks:


Gallery

External links

See also


Stub lock.png
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