The Spring,helical,torsion, cataloged under National Stock Number 5360-00-490-6578, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Astronautics Corporation of America. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-490-6578 |
| Primary Part Number | 10857-001 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Astronautics Corporation of America |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.312 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| End Style | OFFSET EYE END OVERALL |
| End Length | 0.781 INCHES NOMINAL BOTH ENDS IN |
| Center Section Width | 0.313 INCHES NOMINAL IN |
| Style Designator | SINGLE TORSION RIGHT HAND |
| Material Document and Classification | MIL-W-6101 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.937 INCHES NOMINAL IN |
| Coil Axis to Center Section Distance | 0.3125 INCHES NOMINAL IN |
| Inside Diameter | 0.093 INCHES NOMINAL IN |
| End Length From First Bend to Second Bend or End | 0.625 INCHES NOMINAL OVERALL IN |
| Coil Quantity | 1-1/2 |
| End Length From Coil Axis to First Bend | 0.156 INCHES NOMINAL OVERALL IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| End Angular Relationship | END W/LH HELIX OF COIL PARALLEL TO CENTER SECTION AND END W/RH HELIX OF COIL PARALLEL TO CENTER SECTION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 10857-001 PRIMARY | Astronautics Corporation of America (USA) |
NSN 5360-00-490-6578 is a Spring,helical,torsion, manufactured by Astronautics Corporation of America, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-490-6578 has 1 manufacturer part number on file: 10857-001 (Astronautics Corporation of America).
Key specifications for 10857-001: Spring Free Outside Diameter: 0.312 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; End Style: OFFSET EYE END OVERALL; End Length: 0.781 INCHES NOMINAL BOTH ENDS IN. 16 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.