S&G 8430
Sargent and Greenleaf 8430 1R
| S&G 8430 1R | |
 | |
| Name | S&G 8430 1R |
|---|---|
| Manufacturer | Sargent & Greenleaf |
| Lock Type | Safe lock |
| Lock Design | Combination |
| Security Rating(s) | UL Group 2 |
| Specifications | |
| # of Components | 3 |
| Component Type | Wheel pack |
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
The front of the dial of the S&G 8430 1R
Close up of the tab lock mechanism
Side angle close up of the tab lock mechanism
The tab lock mechanism disassembled
The dial of the S&G 8430 1R
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
Wheel with part of key change mechanism visible
S&G 8430 1R Wheel pack
Wheel pack with bolt removed.
Wheel pack bolt and arm
Sticker markings
External links
See also
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