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Navy NEC · Engineering

743B Shipboard Elevator Mechanical Maintenance

Current service use not established

This code is listed in the directory. Inclusion alone does not confirm current service use.

A Navy Enlisted Classification: a skill designation sailors hold in addition to their rating.

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Overview

A Shipboard Elevator Mechanical Maintainer tests, inspects, and performs organizational maintenance on shipboard weapons and cargo handling elevators and their components. This maintainer troubleshoots and repairs hydraulic, mechanical, and hydromechanical equipment and coordinates work with other system operators and maintainers.

Core Skills

  • Hydraulic and hydromechanical fault diagnosis
  • System-level and component-level elevator testing
  • Maintenance coordination across operators and specialties

Civilian Career Paths

Career associations are editorial assessments of the cited evidence, not an official crosswalk unless the evidence explicitly says so. O*NET supplies civilian occupation information, not proof of a military match. Related experience does not confer civilian qualifications. Tasks and tools below describe civilian work, not military training.

Elevator and Escalator Installers and Repairers

Testing, inspecting, and repairing shipboard elevator mechanical and hydraulic systems transfers directly to the mechanical portions of civilian elevator service.

How to prepare: Ask an elevator apprenticeship sponsor to assess your documented maintenance experience for credit toward the typical four-year apprenticeship. Entry typically calls for a high school diploma or equivalent, and most states require licensure, so check your state's rules.

What the civilian work involves
  • Assemble, install, repair, and maintain elevators, escalators, moving sidewalks, and dumbwaiters, using hand and power tools, and testing devices such as test lamps, ammeters, and voltmeters.
  • Disassemble defective units, and repair or replace parts such as locks, gears, cables, and electric wiring.
  • Check that safety regulations and building codes are met, and complete service reports verifying conformance to standards.
Civilian tools and software (examples)
  • Computerized maintenance management system CMMS

Maintenance and Repair Workers, General

Shipboard elevator inspection, equipment testing, and mechanical repair provide a foundation for machinery-focused general maintenance work.

How to prepare: Prepare a work-sample summary of hydraulic and mechanical faults you diagnosed, the repairs performed, and the tests used to verify operation for machinery-focused maintenance applications.

What the civilian work involves
  • Perform routine maintenance, such as inspecting drives, motors, or belts, checking fluid levels, replacing filters, or doing other preventive maintenance actions.
  • Inspect, operate, or test machinery or equipment to diagnose machine malfunctions.
  • Adjust functional parts of devices or control instruments, using hand tools, levels, plumb bobs, or straightedges.

Notes & Sources

  • NEC 743B duties explicitly exclude electrical and electronic components and interfaces; civilian work involving those systems requires additional preparation.
Evidence for this guidance (4 documents)
  1. NAVPERS 18068F Vol II (NEOCS, Jul 2026 edition): NEC 743B

    [1] NEC entry "743B - Shipboard Elevator Mechanical Maintenance"; cached text line 17685; NAVPERS 18068F Vol II, 2026-07 edition

    Supports: Hydraulic and hydromechanical fault diagnosis, System-level and component-level elevator testing, Maintenance coordination across operators and specialties, Elevator and Escalator Installers and Repairers (O*NET 47-4021.00), Maintenance and Repair Workers, General (O*NET 49-9071.00)

  2. O*NET: Elevator and Escalator Installers and Repairers

    [2] O*NET 30.3 occupational data

    Supports: Elevator and Escalator Installers and Repairers (O*NET 47-4021.00)

  3. BLS Occupational Outlook Handbook: Elevator and Escalator Installers and Repairers

    [3] How to Become: Education, Training, Licenses, Certifications, and Registrations. Verified 2026-09-24.

    Supports: Elevator and Escalator Installers and Repairers (O*NET 47-4021.00)

  4. O*NET: Maintenance and Repair Workers, General

    [4] O*NET 30.3 occupational data

    Supports: Maintenance and Repair Workers, General (O*NET 49-9071.00)

Defense contractor jobs for 743B

Descriptions may be summarized for clarity. Verify all information with your branch career counselor or official military documentation before making career decisions.

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