| ROTATION DIRECTION FOR WHICH DESIGNED | CLOCKWISE |
| DRIVE TYPE | DIRECT |
| AIR FLOW RATE | 138.000 CUBIC FEET PER MINUTE NOMINAL |
| FLOW DIRECTION | OUTWARD |
| MOUNTING FACILITY TYPE AND QUANTITY | 1 RIM AND |
| 4 UNTHREADED HOLE |
| MATERIAL | ALUMINUM BLADE |
| STEEL HOUSING |
| STYLE DESIGNATOR | FIXED |
| LENGTH | 3.880 INCHES NOMINAL |
| HOUSING INSIDE DIAMETER | 4.500 INCHES NOMINAL |
| SURFACE TREATMENT | CADMIUM HOUSING |
| PRIME MOVER TYPE | ELECTRIC MOTOR |
| SPEED ADJUSTMENTS | SINGLE SPEED |
| PRIME MOVER DRIVE SHAFT BEARING TYPE | BALL |
| INCLOSURE TYPE | FULLY INCLOSED |
| AMBIENT TEMP AT FULL RATED POWER | -55.0 DEG CELSIUS AND |
| 71.0 DEG CELSIUS |
| ELECTRICAL CONNECTION TYPE | TERMINAL |
| PRIME MOVER POWER RATING | 1.640 HORSEPOWER |
| OPERATING SPEED AT RATED CAPACITY IN RPM | 5000.0 |
| VOLTAGE IN VOLTS AND CURRENT TYPE | 26.0 DC |
| STATIC PRESSURE AT SPECIFIED AIR FLOW RATE | 0.9 INCHES OF WATER |
| FEATURES PROVIDED | NONSPARKING |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 18965 |
| DESIGN CONTROL REFERENCE | M4381B-9A |