The Spring,helical,torsion, cataloged under National Stock Number 5360-01-278-7737, 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 13 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 | 5360-01-278-7737 |
| Primary Part Number | 2487909 |
| 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 | 0.708 INCHES MINIMUM AND 0.715 INCHES MAXIMUM IN |
| End Style | OFFSET HINGE END, LEFT SIDE FIRST END |
| End Style | EXTENDED EYE END SECOND END |
| Style Designator | SINGLE TORSION LEFT HAND |
| Material Document and Classification | QQ-N-286,CLASS A,COLD DRAWN FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 1.025 INCHES MAXIMUM IN |
| Inside Diameter | 0.617 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN |
| Coil Quantity | 9 3/4 |
| Coil Helix Direction | RIGHT-HAND |
| Material | NICKEL ALLOY K-500 OVERALL |
| End Angular Relationship | ENDS ANGLED ONE TO OTHER |
| Hook Radius | 0.140 INCHES NOMINAL BOTH ENDS IN |
| Hook Radius | 0.100 INCHES NOMINAL FIRST END IN |
| 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 |
|---|---|
| 2487909 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5360-01-278-7737 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 5360-01-278-7737 has 1 manufacturer part number on file: 2487909 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2487909: Spring Free Outside Diameter: 0.708 INCHES MINIMUM AND 0.715 INCHES MAXIMUM IN; End Style: OFFSET HINGE END, LEFT SIDE FIRST END; End Style: EXTENDED EYE END SECOND END; Style Designator: SINGLE TORSION LEFT HAND. 13 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.