| Abbreviation | Definition |
|---|---|
| K | Kelvin |
| K | Kilo- (1,000) |
| K | Kilocycle |
| K | Kilohertz |
| K&H | Katch and Hold |
| K&H | Memory Time Value |
| K/S | Kick Stage |
| KAD | Kadena AB, Ryuku Islands (Deorb OPT Site) |
| KAD | Kadena Air Base, Okinawa, Ryuku Islands |
| KAO | Kuiper Airborne Observatory |
| KAPL | KSC (Kennedy Space Center) Approved Parts List |
| KAPL | KSC Approved Parts List |
| K-APM | KSC (Kennedy Space Center) Automated Payloads Management plan/requirement |
| K-APM | KSC Automated Payloads Plan/Requirement |
| K-APN | KSC (Kennedy Space Center) Automated Payloads Notice |
| K-APN | KSC Automated Payloads Notice |
| K-APPS | KSC (Kennedy Space Center) Automated Payloads Project Specification |
| K-APPS | KSC Automated Payloads Project Specification |
| KATE | Knowledge-based Automatic Test Equipment |
| KATE | Knowledge-Based Automatic Test Equipment (KSC's) |