| ACTUATING MEDIUM | MERCURYMERCURY |
| BULB TIP OUTSIDE DIAMETER | 0.625 INCHES NOMINAL0.625 INCHES NOMINAL |
| DESIGN TYPE | FLUCTUATINGFLUCTUATING |
| EXTERNAL THREAD SIZE | 3/4 IN. NPT3/4 IN. NPT |
| FEATURES PROVIDED | LENS MAGNIFYING FRONT AND LENS MAGNIFYING FRONT AND EXPANSION CHAMBEREXPANSION CHAMBER |
| INTERNAL THREAD SIZE | 1-1/4 IN.-18 NEF-21-1/4 IN.-18 NEF-2 |
| MATERIAL | BRASS OR IRON MALLEABLE OR STEEL OR ALUMINUM ALLOY METER CASE |
| SOCKET OVERALL LENGTH | 6.688 INCHES NOMINAL6.688 INCHES NOMINAL |
| SCALE ADJUSTMENT VARIATION | 2 DIVISION2 DIVISION |
| SCALE INSCRIPTION/BACKGROUND COLOR | BLACK MARKING ON SILVER BACKGROUNDBLACK MARKING ON SILVER BACKGROUND |
| SCALE MEASUREMENT RANGE | +30.000 TO 300.000 DEG FAHRENHEIT+30.000 TO 300.000 DEG FAHRENHEIT |
| SCALE SMALLEST INCREMENT | 2.0 DEG FAHRENHEIT2.0 DEG FAHRENHEIT |
| SCALE TYPE | METALMETAL |
| SEPARABLE SOCKET STYLE | PLAIN SOCKETPLAIN SOCKET |
| TIP LENGTH | 4.875 INCHES NOMINAL4.875 INCHES NOMINAL |