The Spring,helical,torsion, cataloged under National Stock Number 5360-01-108-4166, 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 10 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-108-4166 |
| Primary Part Number | 74A450645-2001 |
| 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 | 1.080 INCHES NOMINAL IN |
| End Style | STRAIGHT OFFSET OVERALL |
| End Length | 0.440 INCHES NOMINAL BOTH ENDS IN |
| Center Section Width | 1.400 INCHES NOMINAL IN |
| Style Designator | SINGLE TORSION RIGHT HAND |
| Spring Free Length | 1.140 INCHES NOMINAL IN |
| Coil Axis to Center Section Distance | 1.760 INCHES NOMINAL IN |
| Inside Diameter | 0.920 INCHES NOMINAL IN |
| Coil Quantity | 10 |
| 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 |
|---|---|
| 74A450645-2001 | Car-Graph, Inc. Dba Phoenix Spring Co. Div Car-Graph, Inc Dba Phoenix Spring Co. (USA) |
| 74A450645-2001 | Hdi Landing Gear Usa Inc (USA) |
| 74A450645-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| 74A450645-2001 | Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing (USA) |
| 74A450645-2001 | Israel Aerospace Industries Ltd.shl-Aero Assemblies Division (ISR) |
| 74A450645-2001 | The Boeing Company Div Services (USA) |
| 74A450645-2001 | Fiskars Oyj Abp (FIN) |
| 74A450645-2001 | Nassau Tool Works, Inc (USA) |
| Reference | Meaning |
|---|---|
| 10117989 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A450645-2001 | 5/9 Secondary reference Cortes Contracting, Inc |
| 74A450645-2001 | 5/9 Secondary reference All Tools, Inc. Dba E2 Precision Products |
| 74A450645-2001 | 5/2 Secondary reference U.S. Government activity |
| 74A450645-2001 | 5/9 Secondary reference Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc |
| 74A450645-2001 | C/1 Advisory reference — outside the item-of-supply concept Goodrich Corporation Div Advanced Structures Landing Systems |
NSN 5360-01-108-4166 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 5360-01-108-4166 has 8 manufacturer part numbers on file: 74A450645-2001 (Car-Graph, Inc. Dba Phoenix Spring Co. Div Car-Graph, Inc Dba Phoenix Spring Co.), 74A450645-2001 (Hdi Landing Gear Usa Inc), 74A450645-2001 (The Boeing Company Div Defense), 74A450645-2001 (Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing), 74A450645-2001 (Israel Aerospace Industries Ltd.shl-Aero Assemblies Division) and 3 more.
Key specifications for 74A450645-2001: Spring Free Outside Diameter: 1.080 INCHES NOMINAL IN; End Style: STRAIGHT OFFSET OVERALL; End Length: 0.440 INCHES NOMINAL BOTH ENDS IN; Center Section Width: 1.400 INCHES NOMINAL IN. 10 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.