| Abbreviation | Definition |
|---|---|
| PHM1 | Pharmacist's Mate 1st Class Petty Officer |
| PHM1 | Photographer's Mate (microfilm) Petty Officer 1st Class |
| PHM2 | Pharmacist's Mate 2nd Class Petty Officer |
| PHM2 | Photographer's Mate (microfilm) Petty Officer 2nd Class |
| PHM3 | Pharmacist's Mate 3rd Class Petty Officer |
| PHM3 | Photographer's Mate (microfilm) Petty Officer 3rd Class |
| PHMC | otographer's Mate (microfilm) Chief Petty Officer |
| PHMC | Photographer's Mate (microfilm) Chief Petty Officer |
| PHMDP1 | armacist's Mate (dental Prosthetics) Petty Officer First Class |
| PHMDP1 | Pharmacist's Mate (dental Prosthetics) Petty Officer First Class |
| PHMDP2 | armacist's Mate (dental Prosthetics) Petty Officer Second Class |
| PHMDP2 | Pharmacist's Mate (dental Prosthetics) Petty Officer Second Class |
| PHMDP3 | armacist's Mate (dental Prosthetics) Petty Officer Third Class |
| PHMDP3 | Pharmacist's Mate (dental Prosthetics) Petty Officer Third Class |
| PHMSA | otographer's Mate (microfilm) Seaman Apprentice |
| PHMSA | Photographer's Mate (microfilm) Seaman Apprentice |
| PHMSN | otographer's Mate (microfilm) Seaman |
| PHMSN | Photographer's Mate (microfilm) Seaman |
| PHMSR | otographer's Mate (microfilm) Seaman Recruit |
| PHMSR | Photographer's Mate (microfilm) Seaman Recruit |