[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"legacy-detail-army-0272":3},{"code":4,"branch":5,"codeSystem":6,"events":7},"0272","army","SSN",[8],{"title":9,"status":10,"effectiveFrom":11,"effectiveTo":12,"successors":13,"citations":18,"notes":30},"Key Punch Operator","split",null,"1949-12-05",[14,16],{"code":15,"liveCode":11,"name":11},"4272",{"code":17,"liveCode":11,"name":11},"3400",[19,24,27],{"title":20,"url":21,"accessedAt":22,"sourceDate":12,"locator":23},"SR 650-120-30, Career Guidance: Machine Accounting Career Field, 5 December 1949","https://books.google.com/books?id=AqzwlDpvSjoC&pg=PA2","2026-07-30","printed p. 2, paragraph 4, rescinded MOS 0272 Key Punch Operator",{"title":20,"url":25,"accessedAt":22,"sourceDate":12,"locator":26},"https://books.google.com/books?id=AqzwlDpvSjoC&pg=RA1-PA4","appendix T/O & E change sheet, printed p. 20, key-punch operator rows converting 0272 to 4272",{"title":20,"url":28,"accessedAt":22,"sourceDate":12,"locator":29},"https://books.google.com/books?id=AqzwlDpvSjoC&pg=RA1-PT6","appendix T/O & E change sheet, printed p. 29, lines 26 and 31","Paragraph 4 rescinds 0272. Across the appendix, ordinary key-punch operator positions convert to 4272; printed p. 29 line 26 instead maps a Key punch supervisor position from 0272 to 3400, while line 31 maps a Key punch operator to 4272. Preserved as one position-dependent split in first-source order. The supervisor-to-3400 cell is clear but is a source-visible anomaly relative to the occupational title pattern; it is transcribed, not corrected. Successors are numeric MOS codes; the predecessor remains in the SSN namespace."]