The Spring,helical,torsion, cataloged under National Stock Number 5360-00-153-8491, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 11 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 | 5360-00-153-8491 |
| Primary Part Number | 439960-1 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.714 INCHES MINIMUM AND 0.730 INCHES MAXIMUM IN |
| End Style | ONE HOOK END OVERALL |
| End Length | 2.500 INCHES NOMINAL BOTH ENDS IN |
| Center Section Width | 0.651 INCHES NOMINAL IN |
| Style Designator | SINGLE TORSION RIGHT HAND |
| Spring Free Length | 2.500 INCHES NOMINAL IN |
| Coil Axis to Center Section Distance | 1.237 INCHES NOMINAL IN |
| Inside Diameter | 0.438 INCHES MINIMUM AND 0.454 INCHES MAXIMUM IN |
| Coil Quantity | 14 |
| Center Loop Radius | 0.1875 INCHES NOMINAL IN |
| End Angular Relationship | END W/LH HELIX OF COIL ANGLED TO CENTER SECTION AND END W/RH HELIX OF COIL ANGLED 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 |
|---|---|
| 439960-1 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5360-00-153-8491 is a Spring,helical,torsion, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-153-8491 has 1 manufacturer part number on file: 439960-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 439960-1: Spring Free Outside Diameter: 0.714 INCHES MINIMUM AND 0.730 INCHES MAXIMUM IN; End Style: ONE HOOK END OVERALL; End Length: 2.500 INCHES NOMINAL BOTH ENDS IN; Center Section Width: 0.651 INCHES NOMINAL IN. 11 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.