77143: 77143.
The 77143 is a the manufacturer industrial component. Key specifications include shape: ROUND, material: ALUMINUM BODY, lens_color: YELLOWYELLOW, overall_height: 6.750 INCHES NOMINAL6.750 INCHES NOMINAL IN, mounting_method: THREADED HOLE(S)THREADED HOLE(S), overall_diameter: 8.500 INCHES NOMINAL8.500 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5895-00-129-6593, 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.
| shape | ROUND |
| material | ALUMINUM BODY |
| lens_color | YELLOWYELLOW |
| overall_height | 6.750 INCHES NOMINAL6.750 INCHES NOMINAL IN |
| mounting_method | THREADED HOLE(S)THREADED HOLE(S) |
| overall_diameter | 8.500 INCHES NOMINAL8.500 INCHES NOMINAL IN |
| lens_transparency | TRANSPARENTTRANSPARENT |
| lens_surface_condition | SMOOTH FACE |
| voltage_rating_in_volts | 12.0 DC MINIMUM AND 12.0 DC MINIMUM AND 72.0 DC MAXIMUM72.0 DC MAXIMUM |
| lamp_type_accommodated_and_quantity | 2 INCANDESCENT2 INCANDESCENT |
| NSN | 5895-00-129-6593 |
| CIRCUIT CONSTRUCTION TYPE | SOLID STATE |
| OVERALL HEIGHT | 1.688 INCHES NOMINAL IN |
| FSC APPLICATION DATA | TELEPHONE AND TELEGRAPH EQUIPMENT |
| IMPEDANCE RATING PER CHANNEL | 600.000 OHMS INPUT CHANNEL |
| IMPEDANCE RATING PER CHANNEL | 100.000 OHMS OUTPUT CHANNEL |
| PHASE | SINGLE |
| INCLOSURE TYPE | OPEN |
| CONTROL TYPE | LOCAL |
| FREQUENCY PER CHANNEL | 765.0 HERTZ NOMINAL OPERATING CHANNEL |
| OPERATING AC FREQUENCY IN HERTZ | 50.0 MINIMUM 1ST VOLTAGE |