Navy Enlisted Classification

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The Navy Enlisted Classification (NEC) system supplements the rating designators for

.

The U.S. Navy has several

(or MM or by the enlisted rate, for example Petty Officer First Class (or PO1). Often Navy enlisted members are addressed by a combination of rating and rate. In this example, this machinist's mate petty officer first class may be addressed as Machinist's Mate 1st Class (or MM1).

However, the NEC designator is a four-digit code that identifies skills and abilities beyond the standard (or outward) rating designator. According to the Military Personnel Manual (MILSPERMAN) 1221-010, the NEC designator facilitates personnel planning, procurement, and selection for training; development of training requirements; promotion, distribution, assignment and the orderly call to active duty of inactive duty personnel in times of national emergency or mobilization.

For example, a person holding the MM-3385 is a nuclear-trained machinist's mate for surface ships, and a person with an MM-3355 is a nuclear-trained machinist's mate for submarines.

In the U.S. Navy's officer ranks, the

serves a similar purpose.

01 Deck Department

0160 - Causeway Barge Ferry Pilot PO2-MCPO

0161 - YTB/YT Tugmaster PO1-MCPO

0164 - Patrol Boat Coxswain SN-PO1

0167 - LCAC Operator CPO-MCPO

0169 - Causeway Barge Ferry Coxswain PO3-PO1

0170 - Surface Rescue Swimmer SN-MCPO

0171 - Landing Craft Utility Craftmaster PO1-MCPO

0172 - LCAC Loadmaster SN-PO1

0181 - Navy Lighterage Deck Supervisor PO3-PO1

0190 - Force Protection Boat Coxswain PO3-PO1

0199 - Boatswain's Mate Basic

02 Navigation Department

0202 - Assistant Navigator PO1-MCPO

0215 - Harbor/Docking Pilot PO1-MCPO

0299 - Quartermaster Basic

03 Operations Department

0302 - AN/SYS-2 Integrated Automatic Detection and Tracking (IADT) Systems Operator SN-CPO

0304 - LCAC Radar Operator/Navigator PO2-CPO

0318 - Air Intercept Controller PO2-PO1

0319 - Supervisory Air Intercept Controller PO1-MCPO

0324 - ASW/SUW Tactical Air Controller (ASTAC) PO2-MCPO

0327 - Sea Combat Air Controller (SCAC) SN-CPO

0328 - ASW/ASUW Tactical Air Control (ASTAC) Leadership CPO-MCPO

0334 - HARPOON (AN/SWG-1A) Engagement Planning Operator PO3-MCPO

0336 - Tactical/Mobile (TacMobile) Operations Control (OPCON) Operator SN-CPO

0340 - Global Command and Control System Common Operational Picture/Maritime 4.X (GCCS COP/M 4.X) Operator SN-MCPO

0342 - Global Command and Control System Common Operational Picture/Maritime (GCCS COP/M) Operator SN-MCPO

0345 - Joint Tactical Ground Station (JTAGS)/Multi-Mission Mobile Processor (M3P) System Operator/Maintainer PO3-CPO

0346 - AEGIS Console Operator Track 3 SN-MCPo

0347 - Ship Self Defense System (SSDS) MK1 Operator SN-PO1

0348 - Multi-Tactical Digital Information Link Operator (TADIL) PO3-MCPO

0349 - SSDS MK 2 Advanced Operator SN-CPO

0350 - Interface Control Officer (ICO) PO1-MCPO

0356 - Global Command and Control System-Maritime (4.1) Increment 2 (GCCS-M 4.1 Inc 2) Operator SR-MCPO

0399 - Operations Specialist Basic

1523 - AN/SPN-35 Amphibious Air Traffic Control Radar Technician

04 Sonar Technician (Submarine/Surface)

0402 - AN/SQQ-89(V)2/9 Active Sonar Level II Technician/Operator Petty Officer -Chief

0410 - AN/SLQ-48(V) Mine Neutralization Systems (MNS) Operator/Maintenance Technician SN-MCPO

0411 - AN/SQQ-89(V)4/6 Sonar Subsystem Level I Operator SN-PO1

0414 - AN/SQQ-89(V)3/5 Active Sonar Level II Technician/Operator PO3-SCPO

0415 - AN/SQQ-89(V) 2/3/4/6/7/8/9/12 Passive Sonar Level II Technician/Operator PO3-SCPO

0416 - Acoustic Intelligence Specialist PO1-MCPO

0417 - ASW Specialist CPO-MCPO

0425 - AN/BQQ-6 TRIDENT LEVEL III Master Operation and Maintenance Technician PO2-MCPO

0430 - Underwater Fire Control System MK-116 MOD 7 Anti-Submarine Warfare Control System Operator PO2-MCPO

0450 - Journeyman Level Acoustic Analyst PO2-MCPO

0455 - AN/SQQ-89(V) 4/6 Active Sonar Level II Technician PO3-SCPO

0461 - AN/BSY-2(V) Advanced Maintainer PO3-MCPO

0466 - Journeyman Surface Ship USW Supervisor PO2-SCPO

0501 - Sonar (Submarines) Leading Chief Petty Officer PO1-MCPO

0505 - Integrated Undersea Surveillance System (IUSS) Analyst SN-SCPO

0506 - Integrated Undersea Surveillance System (IUSS) Maintenance Technician SN-SCPO

0507 - Integrated Undersea Surveillance System (IUSS) Master Analyst PO2-SCPO

0509 - AN/SQQ-89 (V) Adjunct Subsystem Level II Technician PO3-SCPO

0510 - AN/SQS-53D Sensor Subsystem Level II Technician/Operator SSN-CPO

0511 - AN/SQQ-89(V) 11/12 Sonar Subsystem Level I Operator SN-PO1

0512 - AN/BSY-1 and AN/BQQ-5E Combined Retained Equipment Maintenance Technician PO3-SCPO

0518 - Sonar Technician AN/BQQ-10(V) Operator/Maintainer PO3-SCPO

0520 - Sonar, Combat Control and Architecture Equipment Technician PO2-SCPO

0521 - AN/SQQ-89(V)15 Sonar System Level I Operator SN-PO1

0522 - AN/SQQ-89(V)15 Sonar System Level II Technician PO3-MCPO

0523 - AN/SQQ-89(V)15 Sonar System Journeyman PO2-SCPO

0524 - AN/SQQ-89A(V)15/(V)15 EC204 Surface Ship USW Combat Systems Senor Operator SN-PO1

0525 - AN/SQQ-89A(V)15 Surface Ship USW Combat Systems Maintenance Technician PO3-SCPO

0527 - AN/SQQ-89A(V)15/(V)15 EC204 Surface Ship USW Combat Systems Journeyman PO2-CPO

0530 - AN/BQQ-10(V) TI-10/12 Operator/Maintainer PO3-SCPO

0540 - AN/SQQ-34C (V) 2 Aircraft Carrier Tactical Support Center (CV-TSC) Operator PO3-SCPO

0541 - AN/SQQ-34C (V) 2 Aircraft Carrier Tactical Support Center (CV-TSC) Maintenance Technicians PO3-PO1

0550 - Integrated Undersea Surveillance System (IUSS) Passive Sensor Operator (PSO) SN-SCPO

0551 - Integrated Undersea Surveillance System (IUSS) Supervisor PO2-SCPO

0552 - Integrated Undersea Surveillance System (IUSS) Low Frequency Active (LFA)/Compact Low Frequency Active (CLFA) Operator SN-SCPO

0553 - Integrated Undersea Surveillance System (IUSS) SURTASS Mission Commander CPO-MCPO

08 Weapons Department

0746 - Advanced Undersea MK-46 Maintenance Weapons Smith (SN-SCPO)

0812 - Small Arms Marksmanship Instructor (PO2-MCPO)

0814 - Crew Served Weapons (CSW) Instructor (PO2-MCPO)

0857 - 25mm Machine Gun System (MGS) MK 38 MOD Gun Weapon System (GWS) Technician (SN-PO1)

0870 - MK 46 MOD 2 Gun Weapon System (GWS) Technician (SN-SCPO)

0878 - MK-75 Operator/Maintainer (SN-CPO)

0879 - 5"/54 Caliber Gun System MK-45 MOD 1 and 2 Operator/Maintainer (SN-SCPO)

0880 - 5”/62-Caliber MK 45 MOD 4 Gun Mount Maintenance (SN-SCPO)

0979 - MK-41 VLS Baseline IV Through VII Technician (SN-MCPO)

0981 - MK-41 VLS Maintainer Technician (SN-MCPO)

References

• NAVPERS 18068F Volume II the official manual of Navy Enlisted Classifications (NECs) published in BUPERS. April 2021