7F-9578: 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: 0.190 INCHES NOMINAL BOTH ENDS IN, load_rating: 40.00 POUNDS NOMINAL LBS, coil_quantity: 17-1/2. This part is cataloged in the U.S.
Government catalog under NSN 5360-00-321-6470, 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 | 0.190 INCHES NOMINAL BOTH ENDS IN |
| load_rating | 40.00 POUNDS NOMINAL LBS |
| coil_quantity | 17-1/2 |
| opening_width | 0.590 INCHES NOMINAL BOTH ENDS IN |
| inside_diameter | 0.415 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN |
| style_designator | CYLINDRICAL |
| surface_treatment | ENAMEL OVERALL |
| spring_free_length | 3.832 INCHES NOMINAL IN |
| coil_helix_direction | RIGHT-HAND OR LEFT-HAND |
| NSN | 5360-00-321-6470 |
| SPRING FREE OUTSIDE DIAMETER | 0.630 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | TT-E-489 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| LOAD RATING | 40.00 POUNDS NOMINAL LBS |
| END STYLE | MACHINE LOOP BOTH ENDS |
| DESIGN TYPE | CLOSED |
| STYLE DESIGNATOR | CYLINDRICAL |
| OPENING WIDTH | 0.590 INCHES NOMINAL BOTH ENDS IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-428,TYPE 1 OR 2 /D/ FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SPRING FREE LENGTH | 3.832 INCHES NOMINAL IN |
| SPRING DEFLECTION RATE | 66.400 POUNDS PER INCH NOMINAL LBS |