| 0x | Zero X electric motorcycle manufactured by Zero Motorcycles | |
| 16° | sestodecimo (page size) | |
| 1TG | OneTigris | |
| 2000 | version 5.0 of Microsoft Windows | |
| 24K | 24 Karat | |
| 2PDT | Two-Pole Double-Throw | |
| 4SR | Four-channel Surround Sound | |
| 4SR | Four-shelf door mount Spice Rack | Rate it: |
| 4SR-15 | Four-Shelf door mount Spice Rack, 15 inches long | |
| 4SR-18 | Four-shelf door mount Spice Rack, 18 inches long | |
| 4SR-21 | Four-shelf door mount Spice Rack, 21 inches long | |
| 4WALB | Four-Wheel Anti-Lock Brakes | |
| 4WG | 4-pass Wet-back fire tube Boiler with Gun Burner | |
| 4WN | Four-port Wall plate, Nylon | |
| 4WP | Four-legged Work Platform | |
| 4WP | Series 4 Worm gear Power winch | |
| 4WW | Four-Wheel Wagon | Rate it: |
| 4WW | Water Wiggler Water Agitator, model 4 | |
| 4WW | Four-Wheeled Walker | |
| 4º | quarto | |
| 883 | Referring to Harley Davidson’s 883cc motorcycle engine (not an acronym) | |
| 8º | octavo | |
| 95 | version 4.0 of Microsoft Windows | |
| 98 | version 4.1 of Microsoft Windows | |
| AA | Adjustable Arms | |
