5.0 (1 review) Beta

Herman Miller UM231 Replacement Key

Key Series UM226 - UM427
Herman Miller UM226 - UM427 - UM231 Replacement Key
Herman Miller UM226 - UM427 - UM231 Replacement Key
Herman Miller UM226 - UM427 - UM231 Replacement Key
Herman Miller UM255 Furniture Lock
Herman Miller UM232 File Desk Lock Key
3+
Genuine Original Equipment Part
$7.17
Free shipping eligible Ships free when your cart contains only free-shipping items and totals $35+.
The Herman Miller UM226–UM427 replacement keys are a genuine original equipment part, manufactured to fit locks coded within the UM226 through UM427 key series. These authentic OEM keys are commonly used on Herman Miller office furniture, including desks, filing cabinets, pedestals, storage cabinets, and modular workstations equipped with Herman Miller locking systems. Produced to factory specifications, UM-series keys ensure a precise fit, smooth operation, and long-lasting reliability. Ideal for facility managers, office administrators, property managers, locksmiths, and service professionals, these genuine OEM replacement keys provide a dependable solution for replacing lost or worn office furniture keys while maintaining original lock performance and security.

HERMAN MILLER / COMPX TIMBERLINE / GEIGER | STOCKED OEM KEY

KEYS CUT On IN8 KEY BLANK.
This key has the following alternate manufacturers:
DarRan
Geiger
Great Openings
Gunlocke
Hafele
Indiana Furniture
Jofco
Lunstead
Meridian
OFS
Paoli
CompX Timberline
Tuohy
Metal Arc
Maverick Desk
Bernhardt Furniture Company

FREQUENTLY BOUGHT TOGETHER

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UM231 LOCK CORE - HERMAN MILLER - BLACK
$7.17
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$8.87
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MAG-CARD-LIGHT - MAGNIFYING CARD LIGHT - EASYKEYS
$5.67
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IN8 KEY BLANK - ESP
$2.97
*Add to view tier/group pricing discounts
SubTotal:$24.68
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5.0
★★★★★
★★★★★
All keys fit perfect.
matthew
Jul 31, 2026