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HERMAN MILLER UM226 - UM427 LOCK CORES & KEYS



NOTE: The Herman Miller UM226 - UM427 lock cores are different than the CompX Timberline UM226 - UM427 lock cores. The Herman Miller and CompX Timberline cores have different housings and have a different configuration on the back of the core - they also require different control keys to remove and install them. If you are unsure as to which core you need, please contact Customer Service for assistance.



 

If not in stock, it usually takes 24 days to get more.
ETA to EasyKeys: 9/5/2025

LOCK CODE LOCK CORES IN STOCK LOCK CORE: $7.17 KEY: $7.17
UM226 121
[50 MORE ON THE WAY!]
UM227 50
UM228 31
UM229 0
[50 MORE ON THE WAY!]
UM230 79
UM231 28
[50 MORE ON THE WAY!]
UM232 66
UM233 31
UM234 44
[50 MORE ON THE WAY!]
UM235 87
UM236 68
UM237 59
UM238 68
UM239 43
UM240 75
UM241 35
UM242 19
UM243 32
UM244 25
UM245 69
UM246 24
[50 MORE ON THE WAY!]
UM247 91
UM248 43
[50 MORE ON THE WAY!]
UM249 56
UM250 28
[50 MORE ON THE WAY!]
UM251 31
UM252 40
UM253 75
UM254 56
UM255 15
UM256 57
UM257 48
UM258 24
[50 MORE ON THE WAY!]
UM259 29
UM260 39
UM261 42
UM262 52
UM263 37
UM264 0
[50 MORE ON THE WAY!]
UM265 16
UM266 52
UM267 79
UM268 65
UM269 55
UM270 33
UM271 29
UM272 48
UM273 44
UM274 47
UM275 40
UM276 55
UM277 35
UM278 32
UM279 60
UM280 74
UM281 49
UM282 57
UM283 54
UM284 53
UM285 40
UM286 52
UM287 54
UM288 13
[50 MORE ON THE WAY!]
UM289 54
UM290 55
UM291 16
UM292 46
UM293 62
UM294 58
UM295 56
UM296 62
UM297 55
UM298 63
UM299 61
UM300 70
UM301 32
UM302 61
UM303 166
UM304 55
UM305 65
UM306 73
UM307 48
UM308 55
UM309 50
UM310 48
UM311 48
UM312 47
UM313 58
UM314 34
UM315 58
UM316 32
UM317 21
UM318 53
UM319 50
UM320 58
UM321 41
UM322 11
[50 MORE ON THE WAY!]
UM323 66
UM324 90
UM325 53
UM326 23
UM327 22
UM328 56
UM329 29
UM330 66
UM331 56
UM332 26
UM333 45
UM334 24
UM335 11
UM336 19
[50 MORE ON THE WAY!]
UM337 30
UM338 16
UM339 24
UM340 13
UM341 15
UM342 18
UM343 16
UM344 17
UM345 26
UM346 67
UM347 22
UM348 48
UM349 41
UM350 0
[50 MORE ON THE WAY!]
UM351 28
UM352 24
UM353 40
UM354 94
UM355 27
UM356 16
UM357 20
UM358 23
UM359 26
UM360 13
UM361 21
UM362 34
UM363 23
UM364 21
UM365 18
UM366 35
UM367 12
UM368 43
UM369 38
UM370 16
UM371 6
UM372 31
UM373 20
UM374 23
UM375 35
UM376 30
UM377 34
UM378 24
UM379 26
UM380 29
UM381 32
UM382 34
UM383 25
UM384 23
UM385 28
UM386 29
UM387 19
UM388 36
UM389 37
UM390 67
UM391 28
UM392 35
UM393 43
UM394 29
UM395 32
UM396 21
UM397 32
UM398 37
UM399 36
UM400 70
UM401 43
UM402 14
UM403 48
UM404 4
UM405 17
UM406 24
UM407 21
UM408 0
[WE CAN BUILD MORE RIGHT AWAY!]
UM409 14
UM410 11
UM411 35
UM413 27
UM414 4
UM415 26
UM416 27
UM417 14
UM418 10
UM419 13
UM420 49
UM421 39
UM422 15
UM423 0
[WE CAN BUILD MORE RIGHT AWAY!]
UM424 18
UM425 61
UM426 1
UM427 27


Want it delivered Tuesday, August 12, 2025? Order by 5pm EDT Monday, August 11, 2025 choose FedEx Overnight shipping.

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