Cheat sheet of DSD's for pin tumbler fire safe locks
LCcsm2020   Ronald Reed - Oakland, CA - USA -
May 19, 2014 at 18:18:59   
To help out my safe techs I consolidates my notes and information from code programs and other sources (more than 1 source = research not plagiarism ;). Additions or corrections would be welcome and when done perhaps this could be added to resources.
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Safe key spaces and depths for Chinese, Japanese, Korean & other Asian fire safes

I have found many of these locks (usually shiny chrome locks) only have 4 pins or that the first space is not used. The most likely specs are the 3 used by AMSEC and others unfortunately you may need to cut or impression it down a couple of times to find the correct card. Frequently these locks use the SY blanks that have a centered blade i.e. SY1, SY4, SY5 and SY8. I tend to start with the longer blank SY5 or SY8 unless it won't go all the way in. Interestingly these safe locks usually leave out the registry groove ward so you will find that all 4 of the above blanks will go in.

Amsec/Protectall imported fire safes (shallow depths) Blackhawk code card #240
Amsec imported fire safes (medium depths) Blackhawk code card #235
Amsec imported fire safes (deeper depths) Blackhawk code card #241

Spacing from shoulder for Blackhawk code cards 240, 235 & 241
1).155 inches
2).310
3).465
4).620
Also for all 3 cards Root is .035 & Angle is 90
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Depth of cut Blackhawk code card #240
1).263 inches
2).239
3).216
4).192
5).168
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Depth of cut Blackhawk code card #235
1).251 inches
2).227
3).204
4).180
5).155
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Depth of cut Blackhawk code card #241
1).222 inches
2).198
3).175
4).151
5).127

Commodore files, Star, Crown safe and others have used SY1, SY4, SY5 and SY8 with ILCO/Silca card 305, Instacode IC320,HPC DSD91 and Blackhawk card 172 (a COL reference showed it as HPC card 58 but I've never seen one). This is for the K1-K1600 series but again possibly others. HPC also lists DSD1003 but this is probably wrong because the series has 4 depths and DSD# 1003 only has 3. Kreate-A-Key/Instacode card IC320 shows slightly different specs with slightly widened cuts I think this is a good idea for any of these locks as they seem to have fluctuating specifications/tolerances/quality control and are made in different factories/shops separated by wide ranges of time and space.

Spacing from shoulder for Blackhawk card 172
1).165
2).300
3).435
4).570
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Depth of cut Blackhawk code card #172
1).270
2).240
3).210
4).180

Yet another set of specs that is used in both 4 & 5 pin locks by Kumahira, Saga Security safes & who knows is Blackhawk code card #277 and Kreate-A-Key/Instacode card IC860.
Spacing from shoulder for Blackhawk card 277
1).150 inches
2).307
3).465
4).622
5).780
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1).244 used in direct digit code as 1 or 6
2).220 used in direct digit code as 2 or 7
3).195 used in direct digit code as 3 or 8
4).173 used in direct digit code as 4 or 9
5).150 used in direct digit code as 0 or 5

I also have a sheet of notes from a class many years ago with the following FireKing specs that are close to the above.

Spacing from shoulder
1).155 inches
2).310
3).465
4).620
5).775
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1).256 used in direct digit code as 1 or 6
2).228 used in direct digit code as 2 or 7
3).205 used in direct digit code as 3 or 8
4).181 used in direct digit code as 4 or 9
5).157 used in direct digit code as 0 or 5

Many Asian safes also use the ILCO 1636 blank or you can substitute Saab blank V61A aka 65V in Taylor.
Diplomat, Saga, Ambassador, McGunn etc have used Blackhawk code card #342 with this blank;

Spacing from shoulder for Blackhawk card 342
1).315
2).459
3).604
4).748
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Depth of cut Blackhawk code card #342
1).256
2).220
3).189

These are similar to Kreate-A-Key/Instacode card IC864
Spacing from shoulder for IC864
1).298
2).443
3).588
4).732
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Depth of cut card IC864
1).252
2).220
3).189

My class notes show:
Spacing from shoulder
1).300
2).445
3).590
4).735
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Depth of cut
1).250
2).230
3).215
4).200
5).185

For Uchilda safes my class notes show:
Spacing from shoulder
1).155
2).310
3).465
4).620
5).775
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Depth of cut
1).256
2).228
3).205
4).181
5).157

Diplomat and Gardall safes have used the similar specs DSD1149, IC985 & BH333 (wisely widened)
Spacing from shoulder for IC985
1).320
2).455
3).625
4).750
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Depth of cut
1).262
2).254
3).220
4).186

While many of the codes stamped on these shiny chrome locks are direct or reverse digit many others with codes like 0001-0020 or 2901 to 2920 or 8701-8720 use only the last 2 digits and are from the following list:
1 = 1314
2 = 3131
3 = 3431
4 = 3143
5 = 4331
6 = 1331
7 = 3134
8 = 3311
9 = 1411
10= 3113
11= 3341
12= 1442
13= 2424
14= 2214
15= 2412
16= 4212
17= 4343
18= 4141
19= 4422
20= 4114



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