| Acronyms | Meaning / Significance |
Source |
| KAU | kilo accounting unit | |
| KDC | Key Distribution Centre | NACISA/APD/04.07.00(95)001 |
| KDS | keyboard display system | |
| KEK | key encryption key | |
| KIAU | kilo IAU | |
| KIC | knowledge, intent and capability | |
| KMC | key mission component | Superceded by Principal Mission Requirements |
| KMF | key management facility | |
| KSD | key selection device | |
| KT | key task | |
| KV | key variable | |
| KVDU | keyboard visual display unit |