The MK777-221 is a the manufacturer industrial component. Key specifications include color: UNABLE TO DECODE, power_source: EXTERNAL, movement_type: MOVING COIL, PERMANENT MAGNET, indicator_type: DIAL W/POINTER, measurement_range: +350.0 TO 450.0 HERTZ SINGLE INDICATOR SINGLE RANGE, installation_design: PANEL. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-983-5947, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
| color | UNABLE TO DECODE |
| power_source | EXTERNAL |
| movement_type | MOVING COIL, PERMANENT MAGNET |
| indicator_type | DIAL W/POINTER |
| measurement_range | +350.0 TO 450.0 HERTZ SINGLE INDICATOR SINGLE RANGE |
| installation_design | PANEL |
| dial_scale_marking_color | WHITE SINGLE INDICATOR SINGLE RANGE |
| movement_suspension_method | JEWEL PIVOT BASE |
| circuit_attachment_method_and_quantity | 2 THREADED STUD |
| NSN | 6625-00-983-5947 |
| MOUNTING FACILITY TYPE AND QUANTITY | 1 CLAMP AND 2 THREADED STUD(S) |
| POWER SOURCE | EXTERNAL |
| SUPPLEMENTARY FEATURES | INTERNAL SHUNTING |
| FSC APPLICATION DATA | TEST SET,ELECT. EQUIP. |
| MATERIAL | STEEL |
| MOVEMENT TYPE | MOVING COIL, PERMANENT MAGNET |
| OVERALL DIAMETER | 2.125 INCHES NOMINAL IN |
| METER DEPTH BEHIND MOUNTING FLANGE | 0.812 INCHES NOMINAL IN |
| DIAL SCALE MARKING COLOR | BLACK SINGLE INDICATOR SINGLE RANGE |
| MOUNTING STUD LENGTH | 0.125 INCHES NOMINAL IN |