640-33: FILTER,BAND PASS.
- wooden frame - including prepunched passepartouts - round ground, quality washed glass - precision mitring - including prop - living character for a unique atmosphere. Key specifications include material: COPPER ALLOY CONTACT, base_style: MOGUL SCREW, body_width: 1.252 INCHES NOMINAL IN, bulb_style: BT (BULGED TUBULAR), body_height: 2.938 INCHES NOMINAL IN, body_length: 1.752 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5915-00-501-0049, 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.
| material | COPPER ALLOY CONTACT |
| base_style | MOGUL SCREW |
| body_width | 1.252 INCHES NOMINAL IN |
| bulb_style | BT (BULGED TUBULAR) |
| body_height | 2.938 INCHES NOMINAL IN |
| body_length | 1.752 INCHES NOMINAL IN |
| body_material | METAL |
| inclosure_type | ENCASED |
| overall_length | 8.312 INCHES NOMINAL8.312 INCHES NOMINAL IN |
| wattage_rating | 250.000 WATTS |
| bulb_designator | BT-28 |
| special_features | ENERGY SAVER |
| NSN | 5915-00-501-0049 |
| REFERENCE FREQUENCY PER FUNCTION | 1.1025 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| MOUNTING FACILITY TYPE AND QUANTITY | 2 CAPTIVE SCREW(S) LOCATION NOT OTHERWISE SPECIFIED |
| INCLOSURE TYPE | ENCASED |
| FUNCTIONAL TERMINAL TYPE AND QUANTITY | 1 CONNECTOR, PLUG INPUT FIRST FUNCTION |
| FUNCTIONAL TERMINAL TYPE AND QUANTITY | 1 PIN GROUND THIRD FUNCTION |
| FUNCTIONAL TERMINAL TYPE AND QUANTITY | 2 SCREW OUTPUT SECOND FUNCTION |
| SOURCE IMPEDANCE RATING PER FUNCTION | 40.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| VIBRATION RESISTANCE RANGE IN HERTZ | +5.0 TO 25.0 |
| BODY WIDTH | 1.252 INCHES NOMINAL IN |
| BODY HEIGHT | 2.938 INCHES NOMINAL IN |