| SCALE TYPE | CONCENTRIC DIAL |
| MATERIAL | PLASTIC METER CASE |
| STEEL BULB |
| CASE DIAMETER | 5.813 INCHES NOMINAL |
| DIAL DIAMETER | 4.500 INCHES NOMINAL |
| POINTER/PEN TYPE AND QUANTITY | 1 INDICATING SINGLE AND |
| 1 REFERENCE SINGLE |
| SEPARABLE SOCKET STYLE | PLAIN SOCKET |
| BULB TIP OUTSIDE DIAMETER | 1.125 INCHES NOMINAL |
| SOCKET OVERALL LENGTH | 4.250 INCHES NOMINAL |
| TIP LENGTH | 2.500 INCHES NOMINAL |
| EXTERNAL THREAD SIZE | 1IN. NPT |
| INTERNAL THREAD SIZE | 1-1/4-18A |
| INDICATOR CONNECTION METHOD | FLEXIBLE TUBE |
| BULB TYPE | PLAIN RIGID |
| BULB QUANTITY | 1 |
| ACTIVE PORTION LENGTH | 2.500 INCHES NOMINAL |
| ACTIVE PORTION DIAMETER | 0.938 INCHES NOMINAL |
| BULB OVERALL LENGTH | 4.188 INCHES NOMINAL |
| BULB CONNECTION TYPE | UNION |
| FLEXIBLE TUBE LENGTH | 248.000 INCHES NOMINAL |
| ACTUATING MEDIUM | MERCURY |
| MOUNTING FACILITY TYPE AND QUANTITY | 1 SURFACE AND |
| 3 HOLE |
| UNTHREADED MOUNTING HOLE DIAMETER | 0.219 INCHES NOMINAL |
| MOUNTING BOLT CIRCLE DIAMETER | 5.375 INCHES NOMINAL |
| CASE TYPE | DUSTPROOF |
| FEATURES PROVIDED | ZERO ADJUSTMENT |
| SPECIAL FEATURES | WITH PLASTIC PROTECTIVE LENS |
| NONDEFINITIVE SPEC/STD DATA | A CLASS |
| DEPARTURE FROM CITED DOCUMENT | FEAT |
| SCALE INSCRIPTION/BACKGROUND COLOR | BLACK MARKING ON YELLOW BACKGROUND |
| SCALE ACCURACY RATING | 2 DEG ENTIRE RANGE |
| SCALE SMALLEST INCREMENT | 2.0 DEG FAHRENHEIT |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-T-19646 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | M19646-C324D417 |