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Alpine Safes
FireKing 4-1831-C Premium Designer Four Drawer Letter 31" D Fire File Cabinet

FireKing 4-1831-C Premium Designer Four Drawer Letter 31" D Fire File Cabinet

Price: $3,833.50

Availability:In Stock
FireKing
Authorized DealerModel: 4-1831-CMA
  • Fire Rating: 60 mins 1700° UL (Underwriters Laboratories)
  • External Dimensions: 52.75"H x 17.75"W x 31.5625"D
  • Internal Dimensions: 10.38"H x 12.19"W x 26"D
  • Cubic Inches: 1.9 cubic feet
  • Weight: 573 lbs
Free ShippingOn all orders over $500
Made in USAQuality Craftsmanship

Configuration Summary

Base Price (4-1831-CMA)$3,833.50
Estimated Total$3,833.50
$3,833.50Free Shipping & Handling

VERIFIED PROTECTION RATINGS:

UL ClassifiedUL Class 350 - 1 HR Fire Resistance
Insured Freight ShippingFactory-direct fulfillment

UL 1-Hour Fire-Rated: four-drawer protection for critical letter files

Built for offices that must survive a fire, the FireKing 4-1831-C Premium Designer is a four-drawer, letter-size vertical file cabinet carrying a UL-listed 1-hour Class 350 fire rating tested at exterior temperatures up to 1700 degrees F, plus a UL 30-foot impact rating. It ships standard with a Medeco high-security key lock and is made in the USA.

Each of the four drawers measures 10.38 inches high by 12.19 inches wide by 26 inches deep, giving full letter-file capacity with 31-inch-deep bodies. The cabinet weighs 573 pounds and stands 52.75 inches high by 17.75 inches wide by 31.56 inches deep, a deep-format footprint sized for high-volume records that must stay protected and accessible.

Engineering & Security

  • Medeco high-security key lock: The UL-listed Medeco keyway resists picking and restricts key duplication, so only authorized staff can open the cabinet.
  • Lock upgrade options: Buyers may upgrade to a UL-listed mechanical, high-security mechanical, or digital electronic lock for an added cost.
  • UL 30-foot impact rating: Heated to 1550 degrees F, dropped 30 feet onto rubble, then reheated, the cabinet is verified to survive a multi-story collapse.
  • Convenient lock bypass: An integrated bypass lets you secure all drawers or leave selected drawers accessible for daily workflow.
  • Made in the USA: FireKing manufactures the 4-1831-C domestically and backs it with a limited lifetime warranty and free after-fire replacement guarantee.

Fire Protection & Interior

  • UL 1-hour Class 350 fire rating: Independently UL-listed to keep interior contents below 350 degrees F for one hour at exterior temperatures reaching 1700 degrees F.
  • Asbestos-free gypsum insulation: Powerful gypsum-based fill surrounds the body to slow heat transfer to paper documents during a fire.
  • Per-drawer insulation: Insulation between every drawer makes each one a separate insulated container, isolating contents from heat.
  • ETL 1/2-hour media rating: An ETL 1/2-hour rating for digital media holds the interior cool enough to protect diskettes and other heat-sensitive storage.
  • Water-resistant construction: Designed to shield contents from incidental water such as building sprinklers and fire-hose spray during firefighting.

Drawer Layout & File Capacity

  • Four letter-size drawers: Each drawer fits standard letter-width folders at 10.38 by 12.19 by 26 inches, totaling four full filing tiers.
  • High-side drawer bodies: Drawer sides are built to hold hanging files directly, so no separate frames or hangers are required.
  • Replaceable steel panels: Damaged exterior panels can be swapped individually, restoring appearance without replacing the whole cabinet.
  • Follower blocks included: Each drawer ships with a follower block plus chrome handles for organized, finished daily use.

Ideal Buyer & Use Cases

The 4-1831-C suits law offices, medical practices, and businesses that store high volumes of irreplaceable letter-size records and need UL-verified 1-hour fire and 30-foot impact protection. At 52.75 inches high by 17.75 inches wide by 31.56 inches deep and 573 pounds, it anchors a records room while keeping four drawers within easy reach.

If you need less capacity, the two-drawer 2-1831-C (sku 2-1831-CMA) or three-drawer 3-1831-C (sku 3-1831-CMA) offer the same fire protection in a smaller footprint. For legal-size documents, step up to the four-drawer 4-2131-C (sku 4-2131-CMA).

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