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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 you do not see your lock code listed go to the shopping cart page and check availability by lock code.


 

If not in stock, it usually takes 26 days to get more.
ETA to EasyKeys: 7/4/2025

LOCK CODE LOCK CORES IN STOCK LOCK CORE: $7.17 KEY: $7.17
UM226 110
[50 MORE ON THE WAY!]
UM227 75
UM228 2
[50 MORE ON THE WAY!]
UM229 56
UM230 58
[50 MORE ON THE WAY!]
UM231 47
UM232 86
UM233 43
UM234 62
UM235 52
[50 MORE ON THE WAY!]
UM236 38
[50 MORE ON THE WAY!]
UM237 75
UM238 33
[50 MORE ON THE WAY!]
UM239 61
UM240 41
[50 MORE ON THE WAY!]
UM241 43
UM242 30
UM243 39
UM244 33
UM245 82
UM246 31
UM247 51
[50 MORE ON THE WAY!]
UM248 50
UM249 63
UM250 35
UM251 40
UM252 52
UM253 86
UM254 63
UM255 49
UM256 66
UM257 58
UM258 55
UM259 36
UM260 44
UM261 43
UM262 54
UM263 38
UM264 167
UM265 17
UM266 54
UM267 34
[50 MORE ON THE WAY!]
UM268 67
UM269 57
UM270 34
UM271 32
UM272 54
UM273 48
UM274 50
UM275 46
UM276 62
UM277 37
UM278 35
UM279 62
UM280 28
[50 MORE ON THE WAY!]
UM281 49
UM282 59
UM283 54
UM284 56
UM285 40
UM286 52
UM287 54
UM288 13
UM289 54
UM290 55
UM291 19
UM292 46
UM293 12
[50 MORE ON THE WAY!]
UM294 58
UM295 6
[50 MORE ON THE WAY!]
UM296 62
UM297 55
UM298 63
UM299 63
UM300 75
UM301 37
UM302 63
UM303 170
UM304 56
UM305 67
UM306 31
[50 MORE ON THE WAY!]
UM307 49
UM308 55
UM309 54
UM310 48
UM311 49
UM312 50
UM313 60
UM314 34
UM315 59
UM316 38
UM317 21
UM318 54
UM319 52
UM320 10
[50 MORE ON THE WAY!]
UM321 47
UM322 11
[50 MORE ON THE WAY!]
UM323 18
[50 MORE ON THE WAY!]
UM324 42
[50 MORE ON THE WAY!]
UM325 58
UM326 26
UM327 22
UM328 56
UM329 29
UM330 68
UM331 56
UM332 30
UM333 49
UM334 24
UM335 16
UM336 19
UM337 31
UM338 16
UM339 24
UM340 15
UM341 15
UM342 22
UM343 22
UM344 17
UM345 26
UM346 69
UM347 23
UM348 48
UM349 41
UM350 25
UM351 28
UM352 25
UM353 42
UM354 98
UM355 31
UM356 16
UM357 21
UM358 23
UM359 26
UM360 17
UM361 25
UM362 34
UM363 23
UM364 25
UM365 21
UM366 35
UM367 12
UM368 43
UM369 40
UM370 21
UM371 6
UM372 35
UM373 20
UM374 23
UM375 35
UM376 30
UM377 34
UM378 24
UM379 26
UM380 31
UM381 32
UM382 34
UM383 25
UM384 27
UM385 32
UM386 29
UM387 19
UM388 36
UM389 37
UM390 71
UM391 28
UM392 35
UM393 43
UM394 31
UM395 32
UM396 22
UM397 32
UM398 38
UM399 36
UM400 91
UM401 43
UM402 15
UM403 54
UM404 8
UM405 18
UM406 25
UM407 21
UM408 0
[WE CAN BUILD MORE RIGHT AWAY!]
UM409 18
UM410 15
UM411 35
UM413 27
UM414 4
UM415 26
UM416 27
UM417 15
UM418 14
UM419 17
UM420 55
UM421 44
UM422 15
UM423 1
UM424 18
UM425 62
UM426 1
UM427 27


Want it delivered Monday, June 9, 2025? Order by 5pm EDT Friday, June 6, 2025 choose FedEx Overnight shipping.

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