The Spring,helical,torsion, cataloged under National Stock Number 5360-00-439-3188, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Mag Aerospace Industries, Llc Div Safran Cabins. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-439-3188 |
| Primary Part Number | 809978-3 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Mag Aerospace Industries, Llc Div Safran Cabins |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.440 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| End Style | ONE HOOK END OVERALL |
| End Length | 0.680 INCHES NOMINAL BOTH ENDS IN |
| Center Section Width | 0.322 INCHES NOMINAL IN |
| Style Designator | SINGLE TORSION RIGHT HAND |
| Material Document and Classification | QQ-W-423,COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.478 INCHES NOMINAL IN |
| Coil Axis to Center Section Distance | 0.425 INCHES NOMINAL IN |
| Inside Diameter | 0.388 INCHES NOMINAL IN |
| Coil Quantity | 6 |
| Surface Treatment | PASSIVATE OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL COMP 302 OVERALL |
| End Angular Relationship | ENDS PARALLEL ONE TO OTHER |
| 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 |
|---|---|
| 809978-3 PRIMARY | Mag Aerospace Industries, Llc Div Safran Cabins (USA) |
| Reference | Meaning |
|---|---|
| 809978-3 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5360-00-439-3188 is a Spring,helical,torsion, manufactured by Mag Aerospace Industries, Llc Div Safran Cabins, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-439-3188 has 1 manufacturer part number on file: 809978-3 (Mag Aerospace Industries, Llc Div Safran Cabins).
Key specifications for 809978-3: Spring Free Outside Diameter: 0.440 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; End Style: ONE HOOK END OVERALL; End Length: 0.680 INCHES NOMINAL BOTH ENDS IN. 15 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.