1F4449: SPRING,HELICAL,EXTENSION.
The SPRING,HELICAL,EXTENSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: MACHINE LOOP BOTH ENDS, design_type: CLOSED, hook_radius: 0.250 INCHES NOMINAL BOTH ENDS IN, load_rating: 17.400 POUNDS NOMINAL LBS, coil_quantity: 17. This part is cataloged in the U.S.
Government catalog under NSN 5360-00-562-1374, 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 | STEEL OVERALL |
| end_style | MACHINE LOOP BOTH ENDS |
| design_type | CLOSED |
| hook_radius | 0.250 INCHES NOMINAL BOTH ENDS IN |
| load_rating | 17.400 POUNDS NOMINAL LBS |
| coil_quantity | 17 |
| opening_width | 0.732 INCHES NOMINAL BOTH ENDS IN |
| inside_diameter | 0.625 INCHES NOMINAL IN |
| style_designator | CYLINDRICAL |
| spring_free_length | 0.391 INCHES NOMINAL IN |
| coil_helix_direction | RIGHT-HAND |
| spring_deflection_rate | 9.870 POUNDS PER INCH NOMINAL LBS |
| NSN | 5360-00-562-1374 |
| SPRING FREE OUTSIDE DIAMETER | 0.785 INCHES NOMINAL IN |
| LOAD RATING | 17.400 POUNDS NOMINAL LBS |
| END STYLE | MACHINE LOOP BOTH ENDS |
| DESIGN TYPE | CLOSED |
| STYLE DESIGNATOR | CYLINDRICAL |
| OPENING WIDTH | 0.732 INCHES NOMINAL BOTH ENDS IN |
| SPRING FREE LENGTH | 0.391 INCHES NOMINAL IN |
| SPRING DEFLECTION RATE | 9.870 POUNDS PER INCH NOMINAL LBS |
| INSIDE DIAMETER | 0.625 INCHES NOMINAL IN |
| SPRING LENGTH UNDER LOAD | 20.400 INCHES NOMINAL IN |
No substitute or cross-reference records for this part.