The Spring,spiral,torsion, cataloged under National Stock Number 5360-00-905-3909, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is The Precision Coil Spring Company Dba Precision Coil Spring Co. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-905-3909 |
| Primary Part Number | 3-41651-1 |
| Item Name | Spring,spiral,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | The Precision Coil Spring Company Dba Precision Coil Spring Co |
| Status | ACTIVE |
| Material Hardness Rating | 33.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| End Radius | 0.078 INCHES NOMINAL IN |
| Stock Width | 0.500 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-25043 COND A 17-7PH MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Coil Quantity | 7-1/2 |
| Surface Treatment | PASSIVATE OVERALL |
| Hub Size | 0.440 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Stock Thickness | 0.031 INCHES NOMINAL 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 |
|---|---|
| 3-41651-1 PRIMARY | The Precision Coil Spring Company Dba Precision Coil Spring Co (USA) |
| Reference | Meaning |
|---|---|
| 3-41651-1 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector |
| 3-41651-1 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
NSN 5360-00-905-3909 is a Spring,spiral,torsion, manufactured by The Precision Coil Spring Company Dba Precision Coil Spring Co, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-905-3909 has 1 manufacturer part number on file: 3-41651-1 (The Precision Coil Spring Company Dba Precision Coil Spring Co).
1 possible match (shared part number, not a government interchangeability claim): 6220-01-246-2284. Verify interchangeability with system specifications before substitution.
Key specifications for 3-41651-1: Material Hardness Rating: 33.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM; End Radius: 0.078 INCHES NOMINAL IN; Stock Width: 0.500 INCHES NOMINAL IN; Material Document and Classification: MIL-S-25043 COND A 17-7PH MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 9 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.