390-0045: VALVE,RELIEF,PRESSURE AND TEMPER.
VALVE,RELIEF,PRESSURE AND TEMPER. Key specifications include bearings: NOT INCLUDED, material: IRON CAST OVERALL, bore_type: STRAIGHT, face_width: 1.828 INCHES NOMINAL IN, bore_length: 0.750 INCHES NOMINAL IN, design_form: WEBBED. This part is cataloged in the U.S.
Government catalog under NSN 4820-01-295-6176, 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.
| bearings | NOT INCLUDED |
| material | IRON CAST OVERALL |
| bore_type | STRAIGHT |
| face_width | 1.828 INCHES NOMINAL IN |
| bore_length | 0.750 INCHES NOMINAL IN |
| design_form | WEBBED |
| bore_feature | INCLUDED |
| groove_depth | 0.562 INCHES MINIMUM IN |
| groove_shape | V |
| groove_width | 0.500 INCHES NOMINAL IN |
| keyway_width | 0.155 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN |
| bore_diameter | 0.670 INCHES MINIMUM AND 0.672 INCHES MAXIMUM IN |
| NSN | 4820-01-295-6176 |