In recent years, more of the PLA three-letter designation system has become widely shown, especially in the regards of the missiles. So I thought it would be best to list them out.
Format
X/YZZ(or could be YYY)N(numbers).
Forces modifier (typically omitted)
K/ (Air Force)
L/ (Army)
H/ (Navy)
Usage modifier
Missiles
AKK (Guided, Air-to-Air): AKK90 (TY90)
AKD (Guided, Air-to-Surface): AKD9 (BA-9)
ADK (Guided, Surface-to-Air): ADK11 (HQ-11)
AKJ (Guided, Air-to-Ship): AKJ08 (YJ-81)
AKF (Guided, Air Standoff) AKF088C (also NLOS AT missiles)
AKG (Guided, Air-to-Port) (or other high value targets)
AFT (Guided, Anti-Tank): AFT08 (HJ-8)
APS (Guided, Gun Fired) APS03
AJC (Guided, Ship-to-?)
Bombs
YJG (unknown, Laser Guided) YJG500
Pods
PZS (unknown modifier, Designation) PZS01 pod
JDC (Laser, unknown modifier) JDC03 pod
Fuel tanks
FYX (Secondary Fuel Tank), FYX800
Ammunition
DTB (Cartridge, Tank, Explosive), DTB125
DTC (Cartridge, Tank, Armour Piercing), DTC125
DTP (Cartridge, Tank, HEAT), DTP125
DTY (Cartridge, Tank, Incendiary?), DTY02
DKP (Cartridge, Air, ?), DKP01A API-T
DKG (Cartridge, Air, ?), DKG01A HE-T
DKY (Cartridge, Air, ?), DKY1 HE-VT
DYP (Cartridge, Fin, HEAT), DYP73
DYS (Cartridge, Fin, ?), DYS120 HE
DYW (Cartridge, Fin Stabilised), DYW1
DJW (Cartridge, Cannon, Stabilised), DJW1
DJF (Cartridge, Cannon, ?) DJF1 Smoke
DJB (Cartridge, Cannon, Explosive) DJB2
DDB (Cartridge, ?, Explosive) DDB1 HE
Torpedoes
AMB (Guided, Multi-Purpose, ?) AMB012 (Yu-7K)
Others
AQA (a type of underwater equipment)
HSU (a type of unmanned underwater equipment)
KLJ (Air, Radar, ?)
Format
X/YZZ(or could be YYY)N(numbers).
Forces modifier (typically omitted)
K/ (Air Force)
L/ (Army)
H/ (Navy)
Usage modifier
Missiles
AKK (Guided, Air-to-Air): AKK90 (TY90)
AKD (Guided, Air-to-Surface): AKD9 (BA-9)
ADK (Guided, Surface-to-Air): ADK11 (HQ-11)
AKJ (Guided, Air-to-Ship): AKJ08 (YJ-81)
AKF (Guided, Air Standoff) AKF088C (also NLOS AT missiles)
AKG (Guided, Air-to-Port) (or other high value targets)
AFT (Guided, Anti-Tank): AFT08 (HJ-8)
APS (Guided, Gun Fired) APS03
AJC (Guided, Ship-to-?)
Bombs
YJG (unknown, Laser Guided) YJG500
Pods
PZS (unknown modifier, Designation) PZS01 pod
JDC (Laser, unknown modifier) JDC03 pod
Fuel tanks
FYX (Secondary Fuel Tank), FYX800
Ammunition
DTB (Cartridge, Tank, Explosive), DTB125
DTC (Cartridge, Tank, Armour Piercing), DTC125
DTP (Cartridge, Tank, HEAT), DTP125
DTY (Cartridge, Tank, Incendiary?), DTY02
DKP (Cartridge, Air, ?), DKP01A API-T
DKG (Cartridge, Air, ?), DKG01A HE-T
DKY (Cartridge, Air, ?), DKY1 HE-VT
DYP (Cartridge, Fin, HEAT), DYP73
DYS (Cartridge, Fin, ?), DYS120 HE
DYW (Cartridge, Fin Stabilised), DYW1
DJW (Cartridge, Cannon, Stabilised), DJW1
DJF (Cartridge, Cannon, ?) DJF1 Smoke
DJB (Cartridge, Cannon, Explosive) DJB2
DDB (Cartridge, ?, Explosive) DDB1 HE
Torpedoes
AMB (Guided, Multi-Purpose, ?) AMB012 (Yu-7K)
Others
AQA (a type of underwater equipment)
HSU (a type of unmanned underwater equipment)
KLJ (Air, Radar, ?)
