The Spring,helical,torsion, cataloged under National Stock Number 5360-01-108-0378, 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 Boeing Company Div Defense. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-108-0378 |
| Primary Part Number | 74A450974-2002 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Spring Free Outside Diameter | 4.715 INCHES NOMINAL IN |
| Style Designator | SINGLE TORSION LEFT HAND |
| Spring Free Length | 2.160 INCHES NOMINAL IN |
| Inside Diameter | 3.885 INCHES NOMINAL IN |
| Coil Quantity | 6-1/2 |
| Coil Helix Direction | LEFT-HAND |
| 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 |
|---|---|
| 74A450974-2002 PRIMARY | The Boeing Company Div Defense (USA) |
| 74A450974-2002 | Hdi Landing Gear Usa Inc (USA) |
| 74A450974-2002 | Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co (USA) |
| 74A450974-2002 | Israel Aerospace Industries Ltd.shl-Aero Assemblies Division (ISR) |
| 74A450974-2002 | Nassau Tool Works, Inc (USA) |
| Reference | Meaning |
|---|---|
| 74A450974-2002 | 5/9 Secondary reference Safran Landing Systems Canada Inc. |
| 10117988 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A450974-2002 | 5/9 Secondary reference Circor Aerospace, Inc. Div Circor |
| 74A450974-2002 | 5/2 Secondary reference U.S. Government activity |
| 74A450974-2002 | 5/9 Secondary reference Circor Aerospace, Inc. Dba Circor Aerospace Machining Center |
| 74A450974-2002 | 5/9 Secondary reference All Tools, Inc. Dba E2 Precision Products |
| 74A450974-2002 | C/1 Advisory reference — outside the item-of-supply concept Goodrich Corporation Div Advanced Structures Landing Systems |
NSN 5360-01-108-0378 is a Spring,helical,torsion, manufactured by The Boeing Company Div Defense, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-108-0378 has 5 manufacturer part numbers on file: 74A450974-2002 (The Boeing Company Div Defense), 74A450974-2002 (Hdi Landing Gear Usa Inc), 74A450974-2002 (Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co), 74A450974-2002 (Israel Aerospace Industries Ltd.shl-Aero Assemblies Division), 74A450974-2002 (Nassau Tool Works, Inc).
Key specifications for 74A450974-2002: Spring Free Outside Diameter: 4.715 INCHES NOMINAL IN; Style Designator: SINGLE TORSION LEFT HAND; Spring Free Length: 2.160 INCHES NOMINAL IN; Inside Diameter: 3.885 INCHES NOMINAL IN. 6 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.