Army · MOS history

42L5 Administrative Specialist

Converted to 42A, dated October 1, 2007 by the source.

Search legacy codes Browse Army specialties

Codes named in this history

Listed in today's directory

These codes have directory pages; their current use has not been reviewed, so no current claim is made here.

42AHuman Resources Specialist

Documented history

Administrative Specialist

DA Pam 611-21 Table 10-4 maps predecessor MOSC 42L5 to 42A; source successor entries: 42A HUMAN RESOURCES SPECIALIST; conversion effective 01 Oct 2007.

Source documents (1)

DA Pam 611-21, chapter 10, Table 10-4, Enlisted MOS Conversion Listing
1. Table 10-4, PDF p. 265 · source dated 2025
PDF page 265 (opens in a new tab)

Historical information is drawn from the sources linked above. Classification dates are not personal service dates. Spot an error? Let us know.