4-40820-1: SPRING,HELICAL,EXTENSION.
The SPRING,HELICAL,EXTENSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 631 OVERALL, end_style: LONG ROUND HOOK SECOND END, design_type: CLOSED, hook_radius: 0.125 INCHES NOMINAL FIRST END IN, load_rating: 34.80 POUNDS NOMINAL LBS, coil_quantity: 35. This part is cataloged in the U.S.
Government catalog under NSN 5360-00-070-5045, 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 COMP 631 OVERALL |
| end_style | LONG ROUND HOOK SECOND END |
| design_type | CLOSED |
| hook_radius | 0.125 INCHES NOMINAL FIRST END IN |
| load_rating | 34.80 POUNDS NOMINAL LBS |
| coil_quantity | 35 |
| inside_diameter | 0.407 INCHES NOMINAL IN |
| style_designator | CYLINDRICAL |
| spring_free_length | 4.244 INCHES NOMINAL IN |
| coil_helix_direction | RIGHT-HAND OR LEFT-HAND |
| spring_deflection_rate | 9.600 POUNDS PER INCH NOMINAL LBS |
| spring_length_under_load | 7.720 INCHES NOMINAL IN |
| NSN | 5360-00-070-5045 |
| SPRING FREE OUTSIDE DIAMETER | 0.551 INCHES NOMINAL IN |
| LOAD RATING | 34.80 POUNDS NOMINAL LBS |
| END STYLE | SHORT TWISTED HOOK FIRST END |
| END STYLE | LONG ROUND HOOK SECOND END |
| DESIGN TYPE | CLOSED |
| STYLE DESIGNATOR | CYLINDRICAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5673 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SPRING FREE LENGTH | 4.244 INCHES NOMINAL IN |
| SPRING DEFLECTION RATE | 9.600 POUNDS PER INCH NOMINAL LBS |
| COIL TO HOOK INSIDE LENGTH | 0.250 INCHES NOMINAL BOTH ENDS IN |
No substitute or cross-reference records for this part.