Navy NEC · Engineering

738B Combined Torpedo MK48 Heavyweight Technician

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.

Overview

A Combined Torpedo MK48 Heavyweight Technician performs preventive maintenance in support of the MK48 Heavyweight Torpedo program. This technician also conducts basic corrective maintenance at the Intermediate Maintenance Activity level.

Minimum clearance: Secret

Core Skills

Intermediate-level preventive maintenance on MK48 torpedoes
Basic corrective maintenance on MK48 torpedoes

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.

Maintenance Workers, Machinery

Intermediate-level preventive and basic corrective maintenance on MK48 torpedoes provides a foundation for routine machinery servicing and repair.

How to prepare: Take a hands-on industrial machinery maintenance course focused on lubrication and component replacement.

What the civilian work involves

Lubricate or apply adhesives or other materials to machines, machine parts, or other equipment according to specified procedures.
Install, replace, or change machine parts and attachments, according to production specifications.
Reassemble machines after the completion of repair or maintenance work.

Civilian tools and software (examples)

Computerized maintenance management system software CMMS

Notes & Sources

Evidence for this guidance (2 documents)

NAVPERS 18068F Vol II (NEOCS, Jul 2026 edition): NEC 738B
[1] NEC entry "738B - Combined Torpedo MK48 Heavyweight Technician"; cached text line 17531; NAVPERS 18068F Vol II, 2026-07 edition
Supports: Intermediate-level preventive maintenance on MK48 torpedoes, Basic corrective maintenance on MK48 torpedoes, Maintenance Workers, Machinery (O*NET 49-9043.00)
O*NET: Maintenance Workers, Machinery
[2] O*NET 30.3 occupational data
Supports: Maintenance Workers, Machinery (O*NET 49-9043.00)

Defense contractor jobs for 738B

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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