| Abbreviation | Definition |
|---|---|
| PVTOS | Physical Vapor Transport of Organic Solids |
| PVWA | Planned Value of Work Accomplished |
| PVWS | Planned Value of Work Scheduled |
| PWA | Pratt and Whitney Aircraft |
| PWA | Private Write Area |
| PWA | Product Work Authorization |
| PWB | Printed Wire Board |
| PWBS | Program Work Breakdown Structure |
| P-WEAR | Preliminary Work Breakdown Structure Element Audit Review |
| PWM | Pulse-Width Modulation |
| PWMD | Printed Wiring Master Drawing |
| PWS | Pricing Work Statement |
| PX | Planet X |
| PYRO | Pyrotechnics |
| Q | Alpha Pitch Dynamic Pressure |
| Q | Dynamic Pressure |
| Q | Pitch Rate (Angular Rate) |
| Q | Quite |
| QAC | Quality and Accounting Capsule |
| QAC | Quality Assurance Chart |