NEC
741B
High and Low Pressure Cryogenic Technician
A Navy Enlisted Classification: a skill designation sailors hold in addition to their rating.
Description
generating plants. Tests liquid oxygen and liquid nitrogen for purity and acetylene contamination. Performs required checks on O2N2 compressed gas cylinders prior to and after charging them to the proper pressure. Manufactures liquid oxygen and liquid nitrogen by operating liquid oxygen and nitrogen generating plants to achieve capacity production under various climatic conditions. Operates and maintains mechanical refrigeration systems, reciprocating high pressure and centrifugal low pressure air compressors, cryogenerators, vacuum pumps, and gaseous distribution systems. Detects, analyzes, and corrects abnormal situations which may arise during the operation of liquid oxygen/nitrogen generating plants and associated equipment as prescribed on PMS maintenance requirement cards and applicable instructions. Documents corrective maintenance on relevant MDCS forms.
Core Skills
- cryogenic gas production
- liquid oxygen testing
- liquid nitrogen testing
- high pressure compression
- centrifugal compressor maintenance
- refrigeration system maintenance
- vacuum pump operation
- gas cylinder inspection
- process troubleshooting
- maintenance documentation
Common Certifications
- EPA Section 608 Universal Certification
- Industrial Maintenance Certification
- NCCER Industrial Maintenance Technician
- ASNT Nondestructive Testing Certification
- OSHA 30-Hour General Industry
- Compressed Gas Association Training Certification
Civilian Career Paths
- MECHANICAL ENGINEERING
- FACILITIES MANAGEMENT
- ENVIRONMENTAL ENGINEERING
Training & Development
Getting Started
- EPA Section 608 Universal Certification
- OSHA 10-Hour General Industry
- NCCER Industrial Maintenance Technician
- Compressed Gas Association Safety Training
Career Growth
- ASNT Nondestructive Testing Certification
- Certified Maintenance and Reliability Technician (CMRT)
- Certified Industrial Refrigeration Operator (CIRO)
Similar Specialties
6074
Cryogenics Equipment Operator
Marine Corps
91J
Quartermaster and Chemical Equipment Repairer
Army
F17A
Support Equipment Cryogenic Mechanic
Navy
N25O
Surface Ship Nuclear Propulsion Plant Operator - Mechanical
Navy
N53Z
Low Pressure Electrolyzer (LPE) Maintainer
Navy
N54Z
Automated Electrolytic Oxygen Generator (AEOG) Electrical Maintenance Technician
Navy
Equivalent Roles in Other Branches
Data sourced from official Navy publications and public military occupational references. Descriptions may be summarized for clarity. Verify all information with your branch career counselor or official military documentation before making career decisions.