The Super Treasury is the result of ISM’s continuing effort to develop high quality security products to better meet the requirements of a wide variety of end users. Maximum security is assured by the utilization of Alchronite, ISM’s patented cast alloy defense material. Its unique design and one-piece tailored body cast provides consistent protection throughout, proven to withstand concentrated torch, flux, tool, and explosive attacks.
- UL Listed TRTL-30×6 Burglary Protection
- Equal protection on all six sides
- UL Group I Manipulation resistant combination lock & high security key lock
- Glass plate protection with random relocking devices
- Protection from side attacks on interlocking boltwork and locking mechanism
- Fire protection
- New dimensions allow models to fit through narrow doorways and into tight spaces
| MANUFACTURER | ISM |
|---|---|
| MODEL | ST5526-17 |
| SERIES | Super Treasury |
| SECURITY LEVEL | TRTL-30x6 |
| FIRE PROTECTION | Fire |
| INSIDE DIMENSIONS | 55"H x 26"W x 17"D1397H x 660W x 432D |
| OUTSIDE DIMENSIONS | 64½"H x 36"W x 29½"D / 32½"OD1638H x 914W x 749D / 826OD |
| CAPACITY | 14.07 ft³398.4 L |
| WEIGHT | 4224 lb1916 kg |





