The Spring,helical,torsion, cataloged under National Stock Number 5360-00-370-3155, 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 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5360-00-370-3155 |
| Primary Part Number | 57A11B65 |
| 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 | 0.125 INCHES NOMINAL IN |
| End Style | OFFSET EYE END SECOND END |
| End Style | ONE HOOK END FIRST END |
| End Length | 0.344 INCHES NOMINAL FIRST END IN |
| Style Designator | SINGLE TORSION LEFT HAND |
| Material Document and Classification | QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN |
| Inside Diameter | 0.100 INCHES NOMINAL IN |
| Stock Diameter | 0.0125 INCHES NOMINAL IN |
| Coil Quantity | 14 3/4 |
| Coil Helix Direction | LEFT-HAND |
| Material | STEEL COMP 302 OVERALL |
| End Angular Relationship | ENDS PARALLEL ONE TO OTHER |
| Hook Radius | 0.055 INCHES NOMINAL SECOND END IN |
| Hook Opening Width | 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM SECOND 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 |
|---|---|
| 57A11B65 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 57A11B65 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 505-5701-002 | 3/9 Design control — primary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
NSN 5360-00-370-3155 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 5360-00-370-3155 has 2 manufacturer part numbers on file: 57A11B65 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 57A11B65 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 57A11B65: Spring Free Outside Diameter: 0.125 INCHES NOMINAL IN; End Style: OFFSET EYE END SECOND END; End Style: ONE HOOK END FIRST END; End Length: 0.344 INCHES NOMINAL FIRST END 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.