| Abbreviation | Definition |
|---|---|
| KATS | Kennedy Avionics Test Set |
| KAU | Kilo Accounting Unit |
| KAU | Kilo-Accounting Unit |
| KB | KeyBoard |
| KB | Kilobit |
| KBAC | Kennedy Booster Assemblv Contractor |
| KBAC | Kennedy Booster Assembly Contractor |
| K-BAND | 10,900 to 36,000 MCS |
| K-BAND | 10,900 to 36,000 MegaHertz |
| KBIM | Keyboard Interface Module |
| KBPS | KiloBits Per Second |
| KBU | KeyBoard Unit |
| KC | KiloCycle (now called KiloHertz) |
| kcal | Kilocalorie |
| KCAS | Knots Calibrated Airspeed |
| KCCS | Kennedy Complex Control System |
| KCLE | Cleveland Hopkins International Airport, Cleveland, Ohio |
| KCRT | Keyboard Cathode Ray Tube |
| KCS | Keyboard Configuration Studies |
| KD | Knuckle Dragger |