The SPRING,HELICAL,COMPRESSION is a Legrand industrial component. Key specifications include material: STEEL OVERALL, inside_diameter: 0.815 INCHES NOMINAL IN, special_features: WIRE SIZE IS .412 INCH; THIS SPRING IS A 27/64 IN, style_designator: CYLINDRICAL, spring_free_length: 3.625 INCHES NOMINAL IN, coil_helix_direction: LEFT-HAND. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System under NSN 5305-00-639-4823, 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 |
| inside_diameter | 0.815 INCHES NOMINAL IN |
| special_features | WIRE SIZE IS .412 INCH; THIS SPRING IS A 27/64 IN |
| style_designator | CYLINDRICAL |
| spring_free_length | 3.625 INCHES NOMINAL IN |
| coil_helix_direction | LEFT-HAND |
| end_item_identification | 419-153 BRAKE HEAD ASSEMBLY |
| spring_solid_outside_diameter | 1.625 INCHES NOMINAL IN |
| NSN | 5305-00-639-4823 |
| HEAD STYLE | FILLISTER |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| SCREW MATERIAL | STEEL COMP 1035 |
| SCREW SURFACE TREATMENT | ZINC |
| NOMINAL THREAD DIAMETER | 0.625 INCHES IN |
| HEAD HOLE CONFIGURATION STYLE | ROUND LONGITUDINAL HOLE |
| HOLE QUANTITY | 4 |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| HEAD HEIGHT | 0.429 INCHES MINIMUM AND 0.489 INCHES MAXIMUM IN |
| THREAD QUANTITY PER INCH | 11 |