ESP’S OEM postal replacement lock program offers specific locks for a specified box manufacturer. Each lock is equipped with 2 keys, a removable cam and 2 different grade mounting clips. See the enclosed cross-reference chart to qualify your specific need. See the Appendix below
Each lock is equipped with 2 keys, a removable cam and 2 different grade mounting clips
Cam Lock Table
| Cam No. | Replaces | Part No. | National Lock Equivalent | Direction of Turn to Open | Locked Cam Position |
| XPS-02 | Auth | PTR-656-02 | C8713 | 90° CW | Left |
| XPS-03 | Bommer | PTR-656-03 | C8710 | 90° CCW | Left |
| XPS-04B | Cutler Federal | PTR-656-04B | C8725 | 90° CW | Left |
| XPS-05 | Florence | PTR-656-05A | C8715 | 90° CW | Up |
| XPS-20 | Dura Steel 208B | PTR-656-20 | C8720 | 90° CCW | Down |
| XPS-21 | Permabilt 201A | PTR-656-21 | C8721 | 90° CCW | Left |
| XPS-22 | Dura Steel 202C | PTR-656-22 | C8722 | 90° CW | Down |
| XPS-23 | Jensen General 205D | PTR-656-23 | C8723 | 90° CCW | Left |
| XPS-24 | Bommer Hook | PTR-656-24 | C8724 | 90° CCW | Left |
| XPS-50 | American Device | PTR-656-50 | 90° CW | Left | |
| XPS-56 | Riopel, CMC | PTR-656-56 | 90° CW | Right | |
| XPS-57 | Riopel | PTR-656-57 | 90° CW | Right | |
| XPS-58 | Miami Carey | PTR-656-58 | C8719 | 90° CCW | Up |
| CW Lock Only | PTR-656-RXXY | 90° CW | Up | ||
| CCW Lock Only | PTR-656-RXXZ | 90° CCW | Up |
ESP’S OEM postal replacement lock program offers specific locks for a specified box manufacturer. Each lock is equipped with 2 keys, a removable cam and 2 different grade mounting clips. See the enclosed cross-reference chart to qualify your specific need. See the Appendix below
Each lock is equipped with 2 keys, a removable cam and 2 different grade mounting clips
Cam Lock Table
| Cam No. | Replaces | Part No. | National Lock Equivalent | Direction of Turn to Open | Locked Cam Position |
| XPS-02 | Auth | PTR-656-02 | C8713 | 90° CW | Left |
| XPS-03 | Bommer | PTR-656-03 | C8710 | 90° CCW | Left |
| XPS-04B | Cutler Federal | PTR-656-04B | C8725 | 90° CW | Left |
| XPS-05 | Florence | PTR-656-05A | C8715 | 90° CW | Up |
| XPS-20 | Dura Steel 208B | PTR-656-20 | C8720 | 90° CCW | Down |
| XPS-21 | Permabilt 201A | PTR-656-21 | C8721 | 90° CCW | Left |
| XPS-22 | Dura Steel 202C | PTR-656-22 | C8722 | 90° CW | Down |
| XPS-23 | Jensen General 205D | PTR-656-23 | C8723 | 90° CCW | Left |
| XPS-24 | Bommer Hook | PTR-656-24 | C8724 | 90° CCW | Left |
| XPS-50 | American Device | PTR-656-50 | 90° CW | Left | |
| XPS-56 | Riopel, CMC | PTR-656-56 | 90° CW | Right | |
| XPS-57 | Riopel | PTR-656-57 | 90° CW | Right | |
| XPS-58 | Miami Carey | PTR-656-58 | C8719 | 90° CCW | Up |
| CW Lock Only | PTR-656-RXXY | 90° CW | Up | ||
| CCW Lock Only | PTR-656-RXXZ | 90° CCW | Up |