U.S. Air Force
MILITARY OCCUPATIONAL SPECIALTY CODES

US AIR FORCE CODES

Following are the updated, new, and the older MOS codes for the U.S. Air Force. Use the new codes for active duty time after January 1990. The older codes are still valid for persons wishing to credit their military aviation maintenance experience toward meeting the requirements of the FAA airframe and powerplant mechanic certificate.

U.S. AIR FORCE
CURRENT AS OF: 3 NOVEMBER 2009

NOTE: Some AFSC may have an alphabetical suffix, known as "Shredout." The shredout identifies specialization in a specific aircraft or system. The shredout has no bearing toward creditable experience.

CURRENT MOS (AFSC) CODE	PREVIOUS MOS (AFSC) CODE	TITLE	CREDITABLE EXPERIENCE
2A351	32656, 32657, 32658, 45251, 45253	A-10, F-15, and U-2 Avionics Systems Journeyman	Airframe
2A371	32676, 32677, 32678, 45271, 45273	A-10, F-15, and U-2 Avionics Systems Craftsman	Airframe
2A352	32656, 32657, 32658, 45252	Integrated Avionics Systems (Attack/Special) Journeyman	Airframe
2A372	32676, 32677, 32678, 45272	Integrated Avionics Systems (Attack/Special) Craftsman	Airframe
2A353	43151, 45254	Tactical Aircraft Maintenance Journeyman	Airframe and Powerplant
2A373	43171, 45274	Tactical Aircraft Maintenance Craftsman	Airframe and Powerplant
2A551	43151, 43152, 43153, 45353, 45750, 45752	Aerospace Maintenance Journeyman	Airframe and Powerplant
2A571	43171, 43172, 43173, 45373, 45770, 45772	Aerospace Maintenance Craftsman	Airframe and Powerplant
2A552	43150, 45751	Helicopter/Tiltrotor Maintenance Journeyman	Airframe and Powerplant
2A572	43170, 45771	Helicopter/Tiltrotor Maintenance Craftsman	Airframe and Powerplant
2A553	2A154, 2A157, 2A451, 2A452, 2A453, 32152, 32351, 32352, 32353, 32550, 32551, 32554, 32850, 32851, 32852, 32853, 32854, 45351, 45352, 45551, 45552, 45554, 45651, 45753	Integrated Avionics Systems (Heavy) Journeyman	Airframe
2A573	2A174, 2A177, 2A471, 2A472, 2A473, 32172, 32371, 32372, 32373, 32570, 32571, 32574, 32870, 32871, 32872, 32873, 32874, 45371, 45372, 45571, 45572, 45574, 45671, 45773	Integrated Avionics Systems (Heavy) Craftsman	Airframe
2A651	42652, 42653, 43152, 45450	Aerospace Propulsion Journeyman	Powerplant
2A671	42672, 42673, 43172, 45470	Aerospace Propulsion Craftsman	Powerplant
2A691	42692, 42693, 43192, 45490	Aerospace Propulsion Superintendent	Powerplant
2A654	42353, 45453	Aircraft Fuel Systems Journeyman	Airframe
2A674	42373, 45473	Aircraft Fuel Systems Craftsman	Airframe
2A655	42354, 45454	Aircraft Hydraulic Systems Journeyman	Airframe
2A675	42374, 45474	Aircraft Hydraulic Systems Craftsman	Airframe
2A656	42350, 42351, 45255, 45455, 45456	Aircraft Electrical & Environmental Systems Journeyman	Airframe
2A676	42370, 42371, 45275, 45475, 45476	Aircraft Electrical & Environmental Systems Craftsman	Airframe
2A753	42751, 42755, 45852	Aircraft Structural Maintenance Journeyman	Airframe
2A773	42771, 42775, 45872	Aircraft Structural Maintenance Craftsman	Airframe
2A755	2A753, 42751, 42755, 45852	Low Observable Aircraft Structural Maintenance Journeyman	Airframe
2A775	2A773, 42771, 42775, 45872	Low Observable Aircraft Structural Maintenance Craftsman	Airframe
2A390	32690, 32691, 32692, 32699, 43191, 43199, 45292, 45299	Tactical Aircraft Superintendent	Airframe and/or Powerplant. ASI evaluation required to determine appropriate rating(s).
2A590	2A490, 32390, 32391, 32591, 32894, 32899, 32900, 43190, 43191, 43199, 45390, 45599, 45791, 45793, 45799	Aerospace Maintenance Superintendent	Airframe and/or Powerplant. ASI evaluation required to determine appropriate rating(s).
2A690	42390, 45295, 42396, 45492, 45493, 45494, 45495, 45496	Aircraft Systems Superintendent	May qualify for Airframe. ASI evaluation required.
2A790	42792, 42799, 45891, 45899	Aircraft Fabrication Superintendent	May qualify for Airframe. ASI evaluation required.
2A300	32900, 43200, 45100, 45200, 45400	Aircraft Chief Enlisted Manager	Airframe and/or Powerplant. ASI evaluation required to determine appropriate rating(s).
2A600	32900, 43200, 45200, 45400	Systems Chief Enlisted Manager	May qualify for Airframe or Powerplant. ASI evaluation required to determine appropriate rating.