| Letter | Register Numbers From - To |
Machine Class (Model No.) |
Quantity Allotted | Date Allotted | Year Allotted | Notes | |
|---|---|---|---|---|---|---|---|
| AK- | 000001 | 017220 | 15 | 17220 | November 10 | 1950 | |
| AK- | 017221 | 052220 | 66 | 35000 | November 10 | 1950 | |
| AK- | 052221 | 52720 | 81 | 500 | November 10 | 1950 | |
| AK- | 052721 | 052820 | 97 | 100 | November 22 | 1950 | |
| AK- | 052821 | 053820 | 17 | 1000 | December 5 | 1950 | |
| AK- | 053821 | 054820 | 69 | 1000 | December 18 | 1950 | |
| AK- | 054821 | 057820 | 31 | 3000 | December 18 | 1950 | |
| AK- | 057821 | 058320 | 68 | 500 | January 3 | 1951 | |
| AK- | 058321 | 058820 | 157 | 500 | January 5 | 1951 | |
| AK- | 058821 | 059320 | 18 | 500 | January 8 | 1951 | |
| AK- | 059321 | 069320 | 128 | 10000 | January 15 | 1951 | |
| AK- | 069321 | 071320 | 246 | 2000 | January 15 | 1951 | |
| AK- | 071321 | 121320 | 221-1 | 50000 | January 29 | 1951 | |
| AK- | 121321 | 122320 | 175 | 1000 | January 29 | 1951 | |
| AK- | 122321 | 123320 | 69 | 1000 | January 31 | 1951 | |
| AK- | 123321 | 123820 | 7 | 500 | February 7 | 1951 | |
| AK- | 123821 | 158820 | 66 | 35000 | February 8 | 1951 | |
| AK- | 158821 | 159820 | 231 | 1000 | February 8 | 1951 | |
| AK- | 159821 | 194820 | 15 | 35000 | February 20 | 1951 | |
| AK- | 194821 | 209820 | 128 | 15000 | February 20 | 1951 | |
| AK- | 209821 | 234820 | 201 | 25000 | February 20 | 1951 | |
| AK- | 234821 | 249820 | 241 | 15000 | February 20 | 1951 | |
| AK- | 249821 | 251820 | 246 | 2000 | February 21 | 1951 | |
| AK- | 251821 | 252820 | 253 | 1000 | February 23 | 1951 | |
| AK- | 252821 | 255820 | 24 | 3000 | March 5 | 1951 | |
| AK- | 255821 | 256320 | 247 | 500 | March 6 | 1951 | |
| AK- | 256321 | 257320 | 147 | 1000 | March 9 | 1951 | |
| AK- | 257321 | 257620 | 78 | 300 | March 19 | 1951 | |
| AK- | 257621 | 257720 | 248 | 100 | March 19 | 1951 | |
| AK- | 257721 | 257750 | 301 | 30 | March 27 | 1951 | |
| AK- | 257751 | 258750 | 175 | 1000 | March 29 | 1951 | |
| AK- | 258751 | 259750 | 17 | 1000 | April 2 | 1951 | |
| AK- | 259751 | 260750 | 69 | 1000 | April 2 | 1951 | |
| AK- | 260751 | 261050 | 109 | 300 | April 2 | 1951 | |
| AK- | 261051 | 262050 | 114 | 1000 | April 2 | 1951 | |
| AK- | 262051 | 264050 | 246 | 2000 | April 2 | 1951 | |
| AK- | 264051 | 264550 | 16 | 500 | April 16 | 1951 | |
| AK- | 264551 | 314550 | 15 | 50000 | April 26 | 1951 | |
| AK- | 314551 | 349550 | 66 | 35000 | April 26 | 1951 | |
| AK- | 349551 | 364550 | 128 | 15000 | April 26 | 1951 | |
| AK- | 364551 | 389550 | 201 | 25000 | April 26 | 1951 | |
| AK- | 389551 | 389575 | Exp.257 | 25 | May 3 | 1951 | |
| AK- | 389576 | 439575 | 221 | 50000 | May 10 | 1951 | |
| AK- | 439576 | 440575 | 253 | 1000 | May 10 | 1951 | |
| AK- | 440576 | 441075 | 81 | 500 | May 14 | 1951 | |
| AK- | 441076 | 441375 | 106 | 300 | May 14 | 1951 | |
| AK- | 441376 | 441425 | 11 | 50 | May 18 | 1951 | |
| AK- | 441426 | 441925 | 69 | 500 | May 21 | 1951 | |
| AK- | 441926 | 442925 | 69 | 1000 | June 4 | 1951 | |
| AK- | 442926 | 445925 | 31 | 3000 | June 12 | 1951 | |
| AK- | 445926 | 446925 | 175 | 1000 | June 12 | 1951 | |
| AK- | 446926 | 447925 | 247 | 1000 | June 12 | 1951 | |
| AK- | 447926 | 449300 | 241 | 1375 | June 14 | 1951 | |
| AK- | 449301 | 462925 | 66 | 13625 | October 16 | 1951 | |
| AK- | 462926 | 463225 | 706 | 300 | June 14 | 1951 | |
| AK- | 463226 | 463725 | 82 | 500 | June 18 | 1951 | |
| AK- | 463726 | 464725 | 17 | 1000 | July 3 | 1951 | |
| AK- | 464726 | 465725 | 69 | 1000 | July 3 | 1951 | |
| AK- | 465726 | 467725 | 245 | 2000 | July 18 | 1951 | |
| AK- | 467726 | 467750 | Exp.257 | 25 | July 20 | 1951 | |
| AK- | 467751 | 517750 | 15 | 50000 | July 26 | 1951 | |
| AK- | 517751 | 518250 | 19 | 500 | July 26 | 1951 | |
| AK- | 518251 | 518750 | 105 | 500 | July 26 | 1951 | |
| AK- | 518751 | 533000 | 128 | 14250 | July 26 | 1951 | |
| AK- | 533001 | 533750 | 147 | 750 | October 16 | 1951 | |
| AK- | 533751 | 534750 | 147 | 1000 | July 26 | 1951 | |
| AK- | 534751 | 535050 | 152 | 300 | July 26 | 1951 | |
| AK- | 535051 | 560050 | 201 | 25000 | July 26 | 1951 | |
| AK- | 560051 | 562050 | 246 | 2000 | July 26 | 1951 | |
| AK- | 562051 | 563050 | 253 | 1000 | July 26 | 1951 | |
| AK- | 563051 | 563550 | 16 | 500 | August 17 | 1951 | |
| AK- | 563551 | 563850 | 42 | 300 | August 27 | 1951 | |
| AK- | 563851 | 564850 | 69 | 1000 | August 28 | 1951 | |
| AK- | 564851 | 565850 | 18 | 1000 | August 30 | 1951 | |
| AK- | 565851 | 566850 | 253 | 1000 | August 31 | 1951 | |
| AK- | 566851 | 566950 | 97 | 100 | September 5 | 1951 | |
| AK- | 566951 | 567250 | 149 | 300 | September 5 | 1951 | |
| AK- | 567251 | 567550 | 105 | 300 | September 26 | 1951 | |
| AK- | 567551 | 568550 | 1200 | 1000 | September 28 | 1951 | |
| AK- | 568551 | 568575 | 255 Exp. | 25 | October 3 | 1951 | |
| AK- | 568576 | 568675 | 55 | 100 | October 5 | 1951 | |
| AK- | 568676 | 568975 | 159 | 300 | October 12 | 1951 | |
| AK- | 568976 | 569975 | 17 | 1000 | October 17 | 1951 | |
| AK- | 569976 | 572975 | 31 | 3000 | October 17 | 1951 | |
| AK- | 572976 | 573475 | 32 | 500 | October 17 | 1951 | |
| AK- | 573476 | 573775 | 146 | 300 | October 17 | 1951 | |
| AK- | 573776 | 574775 | 175 | 1000 | October 17 | 1951 | |
| AK- | 574776 | 575775 | 231 | 1000 | October 17 | 1951 | |
| AK- | 575776 | 576775 | 69 | 1000 | October 25 | 1951 | |
| AK- | 576776 | 626775 | 221 | 50000 | October 31 | 1951 | |
| AK- | 626776 | 626975 | 178 | 200 | October 31 | 1951 | |
| AK- | 626976 | 627475 | 68 | 500 | November 1 | 1951 | |
| AK- | 627476 | 677475 | 15 | 50000 | November 19 | 1951 | |
| AK- | 677476 | 702475 | 201 | 25000 | November 19 | 1951 | |
| AK- | 702476 | 704475 | 246 | 2000 | November 19 | 1951 | |
| AK- | 704476 | 705475 | 16 | 1000 | December 3 | 1951 | |
| AK- | 705476 | 705775 | 78 | 300 | January 3 | 1952 | |
| AK- | 705776 | 705875 | 97 | 100 | January 3 | 1952 | |
| AK- | 705876 | 720875 | 128 | 15000 | January 3 | 1952 | |
| AK- | 720876 | 721875 | 247 | 1000 | January 3 | 1952 | |
| AK- | 721876 | 722375 | 68 | 500 | January 10 | 1952 | |
| AK- | 722376 | 723375 | 69 | 1000 | January 23 | 1952 | |
| AK- | 723376 | 723675 | 152 | 300 | January 24 | 1952 | |
| AK- | 723676 | 726675 | 31 | 3000 | January 30 | 1952 | |
| AK- | 726676 | 741675 | 66 | 15000 | January 30 | 1952 | |
| AK- | 741676 | 742675 | 175 | 1000 | February 1 | 1952 | |
| AK- | 742676 | 744675 | 253 | 2000 | February 1 | 1952 | |
| AK- | 744676 | 745675 | 114 | 1000 | February 14 | 1952 | |
| AK- | 745676 | 795675 | 221 | 50000 | February 20 | 1952 | |
| AK- | 795676 | 796675 | 16 | 1000 | February 27 | 1952 | |
| AK- | 796676 | 796975 | 55 | 300 | February 27 | 1952 | |
| AK- | 796976 | 797975 | 68 | 1000 | February 27 | 1952 | |
| AK- | 797976 | 798275 | 148 | 300 | February 28 | 1952 | |
| AK- | 798276 | 799275 | 251 | 1000 | February 29 | 1952 | |
| AK- | 799276 | 849275 | 15 | 50000 | March 3 | 1952 | |
| AK- | 849276 | 851275 | 246 | 2000 | March 5 | 1952 | |
| AK- | 851276 | 851575 | 78 | 300 | March 10 | 1952 | |
| AK- | 851576 | 852575 | 147 | 1000 | March 11 | 1952 | |
| AK- | 852576 | 853575 | 18 | 1000 | March 20 | 1952 | |
| AK- | 853576 | 854575 | 69 | 1000 | March 28 | 1952 | |
| AK- | 854576 | 869575 | 128 | 15000 | April 3 | 1952 | |
| AK- | 869576 | 870075 | 7 | 500 | April 14 | 1952 | |
| AK- | 870076 | 870575 | 124 | 500 | April 14 | 1952 | |
| AK- | 870576 | 871075 | 146 | 500 | April 14 | 1952 | |
| AK- | 871076 | 871575 | 157 | 500 | April 14 | 1952 | |
| AK- | 871576 | 886575 | 66 | 15000 | April 16 | 1952 | |
| AK- | 886576 | 911575 | 201 | 25000 | April 16 | 1952 | |
| AK- | 911576 | 912575 | 68 | 1000 | April 28 | 1952 | |
| AK- | 912576 | 913575 | 231 | 1000 | April 28 | 1952 | |
| AK- | 913576 | 914575 | 16 | 1000 | May 1 | 1952 | |
| AK- | 914576 | 917575 | 31 | 3000 | May 1 | 1952 | |
| AK- | 917576 | 917675 | 248 | 100 | May 14 | 1952 | |
| AK- | 917676 | 917775 | 43 | 100 | May 23 | 1952 | |
| AK- | 917776 | 967775 | 15 | 50000 | May 26 | 1952 | |
| AK- | 967776 | 968075 | 105 | 300 | June 10 | 1952 | |
| AK- | 968076 | 969575 | 1200 | 1500 | June 10 | 1952 | |
| AK- | 969576 | 972575 | 24 | 3000 | June 12 | 1952 | |
| AK- | 972576 | 973575 | 114 | 1000 | July 8 | 1952 | |
| AK- | 973576 | 973875 | 97 | 300 | July 16 | 1952 | |
| AK- | 973876 | 983875 | 128 | 10000 | July 23 | 1952 | |
| AK- | 983876 | 984875 | 175 | 1000 | July 24 | 1952 | |