| Acronym | Meaning |
 | PV | Prevalve |
| PV&D | Purge |
| PVA | PreburnerValveActuator |
| PVA | Propellant Valve Actuator |
| PVD | Purge |
| PVR | Precision Voltage Reference |
| PVRD | Purge |
| PVRO | Pyrotechnics |
| PVT | Pressure |
| PVT | Preflight Verification Test |
| PVT | Pressure/Volume/Temperature |
| PVT | Private |
| PVT | Pyrotechnic Verification Test |
| PVWA | Planned Value Of Work Accomplished |
| PVWS | Planned Value Of Work Scheduled |
| PW | Pulse Width |
| PWA | Pratt And Whitney Aircraft |
| PWA | Private Write Area |
| PWA | Product Work Authorization |
| PWB | Printed Wire Board |
| PWBS | Program Work Breakdown Structure |
| PWM | Pulse-Width Modulation |
| PWMD | Printed Wiring Master Drawing |
| PWR | Power |
| PWS | Pricing Work Statement |
| PY | Program Year |
| PYRO | Pyrotechnics |
| Q | Dynamic Pressure |
| Q | Pitch Rate (Angular Rate) |
| Q | Alpha Pitch Dynamic Pressure |
| Q | Beta Yaw Dynamic Pressure |
| QA | Quality Assurance |
| QACAD | Quality Assurance Corrective Action Document |
| QAM | Quality Assurance Manual |
| QAP | Quality Assurance Procedure |
| QAR | Quality Assurance Responsible/Witness |
| QATT | Qualification For Acceptance Thermal Testing |
| QAVT | Qualification Acceptance Vibration Test |
| QAVT | Qualification For Acceptance Vibration Testing |
| QCB | Queue Control Block |
| QCDR | Quality Control Deficiency Report |
| QCOP | Quality Control Operating Procedure |
| QD | Quick Disconnect |
| QD | Quick Disconnect |
| QDR | Qualification Design Review |
| QDS | Quality Data System |
| QE | Quality Engineer |
| QEC | Quick Engine Change |
| QL | Quick Look |
| QLDS | Quick Look Data Station |
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