| 20E |
Specification for Alloy and Carbon Steel Bolting for Use in the Petroleum and Natural Gas Industries |
| ANSI | American National Standards Institute |
| API | American Petroleum Institute |
| BOP | blowout preventer |
| BSEE | Bureau of Safety and Environmental Enforcement |
| BSL | bolting specification level |
| BTS | Bureau of Transportation and Statistics |
| CAD | Computer-aided Design |
| CM | Certificate Management |
| CP | cathodic protection |
| CRA | corrosion-resistant alloy |
| EAC | environmentally assisted cracking |
| EASA | European Aviation Safety Agency |
| EHE | environmental hydrogen embrittlement |
| FAA | Federal Aviation Administration |
| HE | hydrogen embrittlement |
| HRC | hydrogen-reduced cracking |
| ICS | impressed current system |
| IHE | internal hydrogen embrittlement |
| JETQC | Jet Engine Titanium Quality Committee |
| ksi | force per square inch |
| LMRP | lower marine riser package |
| LRFD | load resistance factor design |
| MMS | Minerals Management Service |
| NIST | National Institute of Standards and Technology |
| OEM | original equipment manufacturer |
| PAH | production approval holder |
| PAUT | Phased Array Ultrasound Testing |
| Q1 |
Specification for Quality Management System Requirements for Manufacturing Organizations for the Petroleum and Natural Gas Industry |
| QCFIT | Quality Control Failure Incident Team |
| QMS | quality management system |
| RCA | root cause analysis |
| ROV | remotely operated vehicle |
| SEMS | Safety Environmental Management Systems |