FireKing Safe-In-A File Cabinet, 4 Drawer, Legal Size, 31" Deep

The FireKing 4-2131-CSF Safe-In-A-File combines legal-size fireproof filing with a concealed built-in safe. This 4-drawer cabinet is designed for offices, law firms, medical offices, financial institutions, and businesses that need protected document storage plus hidden secure storage in one cabinet.

The hidden safe is located behind the false top drawer front and provides approximately 2.44 cubic feet of concealed storage for cash, checks, backup media, deeds, passports, confidential records, and other sensitive items.

Key Product Details

• Model: 4-2131-CSF
• Product Type: Safe-In-A-File fireproof file cabinet with hidden safe
• Drawer Count: 4 drawers
• File Size: Legal size files, 8.5" x 14"
• Exterior Height: 52-3/4"
• Exterior Width: 20-13/16"
• Exterior Depth: 31-9/16"
• Interior Safe Size: 10-3/8"H x 15-1/4"W x 26"D
• Safe Capacity: Approx. 2.44 cubic feet
• Weight: 728 lbs.
• Fire Rating: UL Class 350 - 1 Hour at 1700°F
• Impact Rating: 30 ft. drop tested
• Water Resistance: ETL verified for sprinkler and fire hose exposure
• Digital Media Protection: ETL verified for 30-minute protection of CDs, DVDs, and flash drives
• Safe Lock: UL-listed dial combination lock; electronic lock upgrade available
• Drawer Locks: Medeco® high-security key locks
• Safe Construction: 3/16" steel body with 1/4" steel door
• Finish: Electrostatic powder coating
• Made in the USA: Yes
• Warranty: FireKing Limited Lifetime Warranty

Why Choose the FireKing 4-2131-CSF?

The FireKing 4-2131-CSF is a strong choice when you need both high-capacity legal-size filing and concealed safe storage. It gives you the filing space of a full 4-drawer fireproof cabinet while adding a hidden safe behind the top drawer front.

This design is useful when important records and sensitive valuables need to be stored in the same area without adding a separate safe to the room.

Fire & Security Features

• Hidden internal safe: concealed behind the false top drawer front.
• 1-hour fire protection: UL Class 350 rated at 1700°F.
• Impact tested: designed to withstand a 30 ft. drop test.
• Water resistant: ETL verified against sprinkler and fire hose exposure.
• Digital media protection: ETL verified for CDs, DVDs, and flash drives for 30 minutes.
• High-security drawer locks: Medeco® key locks help secure the file drawers.
• Safe lock: UL-listed dial combination lock included; electronic safe lock upgrade available.
• High-side drawer design: legal-size hanging folders fit without additional frames.
• Durable finish: powder-coated steel finish for professional office use.

Choosing the Right Fireproof Cabinet

• Standard Fireproof File Cabinet: Best when your main priority is protected document filing.
• Safe-In-A-File Cabinet: Better when you need fireproof filing plus concealed safe storage.
• 2-Drawer Safe-In-A-File: Best for lower file volume, home offices, and private offices with limited space.
• 3-Drawer Safe-In-A-File: Better when you want the hidden safe plus more protected filing capacity.
• 4-Drawer Safe-In-A-File: Best for higher-volume filing environments that need the most storage in one vertical cabinet footprint.

To compare additional sizes, drawer counts, and fire ratings, browse our full selection of vertical fireproof file cabinets.

Delivery Information

This cabinet ships by freight. Delivery options depend on your location, building access, and final placement requirements.

• Commercial or Residential Delivery: We can ship to either type of address.
• Dock Delivery: Best for locations with a loading dock.
• Curbside / Ground Delivery: For locations without a loading dock, the driver lowers the cabinet to ground level and leaves it outside on the pallet.
• Lobby / Garage Delivery: Cabinet is moved into the first covered area, such as a lobby or garage, and remains on the pallet.
• Full-Service Delivery: Cabinet is placed in its final location and packaging is removed. A site survey may be required.
• Steps or Stairs: This cabinet weighs 728 lbs.; please tell us before ordering if steps are involved.
• Truck Access: 53-foot tractor trailer access is standard unless a smaller truck is arranged.

Additional charges may apply for stairs, remote areas, restricted delivery access, special flooring, union buildings, or other site conditions. All delivery details are confirmed before shipment.

Additional Specifications

Helpful Resources

• Safe-In-A-File Spec Sheet [PDF]
• FireKing Product Color Options [PDF]
• FireKing Lock Options [PDF]
• FireKing Limited Warranty [PDF]
• Full FireKing Product Catalog [PDF]
• Shop All Fireproof File Cabinets