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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: 12/29/2025

LOCK CODE LOCK CORES IN STOCK LOCK CORE: $7.17 KEY: $7.17
UM226 108
UM227 3
[50 MORE ON THE WAY!]
UM228 59
UM229 79
UM230 37
UM231 21
[50 MORE ON THE WAY!]
UM232 36
[50 MORE ON THE WAY!]
UM233 5
[50 MORE ON THE WAY!]
UM234 86
UM235 67
UM236 55
UM237 37
UM238 52
UM239 34
UM240 52
UM241 32
UM242 23
UM243 27
UM244 18
UM245 65
UM246 65
UM247 80
UM248 56
UM249 13
UM250 62
[50 MORE ON THE WAY!]
UM251 28
UM252 33
UM253 48
UM254 37
UM255 68
UM256 54
UM257 54
UM258 63
UM259 16
UM260 35
UM261 37
UM262 43
UM263 30
UM264 46
UM265 19
UM266 39
UM267 46
UM268 62
UM269 56
UM270 30
UM271 29
UM272 43
UM273 47
UM274 38
UM275 20
[50 MORE ON THE WAY!]
UM276 30
UM277 28
UM278 24
UM279 57
UM280 70
UM281 44
UM282 56
UM283 68
UM284 49
UM285 37
UM286 45
UM287 60
UM288 64
UM289 117
UM290 48
UM291 14
UM292 38
UM293 57
UM294 58
UM295 55
UM296 71
UM297 51
UM298 58
UM299 44
UM300 52
UM301 31
UM302 52
UM303 49
UM304 52
UM305 63
UM306 61
UM307 44
UM308 52
UM309 49
UM310 40
UM311 44
UM312 41
UM313 54
UM314 32
UM315 53
UM316 29
UM317 20
UM318 53
UM319 51
UM320 53
UM321 34
UM322 58
UM323 56
UM324 83
UM325 43
UM326 22
UM327 21
UM328 43
UM329 30
UM330 64
UM331 49
UM332 48
UM333 38
UM334 39
UM335 34
UM336 62
UM337 30
UM338 13
UM339 22
UM340 8
UM341 16
UM342 10
UM343 15
UM344 14
UM345 22
UM346 64
UM347 32
UM348 46
UM349 40
UM350 35
UM351 25
UM352 25
UM353 90
UM354 88
UM355 26
UM356 11
UM357 16
UM358 23
UM359 25
UM360 12
UM361 19
UM362 35
UM363 23
UM364 21
UM365 18
UM366 37
UM367 11
UM368 33
UM369 36
UM370 20
UM371 3
UM372 31
UM373 26
UM374 28
UM375 35
UM376 29
UM377 31
UM378 20
UM379 19
[50 MORE ON THE WAY!]
UM380 38
UM381 35
UM382 43
UM383 27
UM384 21
UM385 30
UM386 33
UM387 24
UM388 42
UM389 66
UM390 65
UM391 26
UM392 33
UM393 29
UM394 9
[50 MORE ON THE WAY!]
UM395 28
UM396 18
UM397 36
UM398 32
UM399 34
UM400 57
UM401 41
UM402 7
[50 MORE ON THE WAY!]
UM403 40
UM404 0
[50 MORE ON THE WAY!]
UM405 13
UM406 22
UM407 14
UM408 0
[WE CAN BUILD MORE RIGHT AWAY!]
UM409 9
[50 MORE ON THE WAY!]
UM410 18
UM411 30
UM413 20
UM414 0
[50 MORE ON THE WAY!]
UM415 21
UM416 23
UM417 15
UM418 1
[50 MORE ON THE WAY!]
UM419 6
[50 MORE ON THE WAY!]
UM420 32
UM421 36
UM422 12
UM423 50
UM424 11
UM425 60
UM426 56
UM427 30


Want it delivered Friday, November 21, 2025? Order by 5pm EST Thursday, November 20, 2025 choose FedEx Overnight shipping.

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