The Spring,helical,extension, cataloged under National Stock Number 5360-01-107-9324, 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 Services. Government technical data includes 13 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through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-107-9324 |
| Primary Part Number | 74A450856-2001 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | The Boeing Company Div Services |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.340 INCHES NOMINAL IN |
| Load Rating | 6.50 POUNDS NOMINAL LBS |
| End Style | SHORT TWISTED HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 1.886 INCHES NOMINAL IN |
| Spring Deflection Rate | 5.560 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.254 INCHES NOMINAL IN |
| Spring Length Under Load | 2.690 INCHES NOMINAL IN |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL COMP 302 OVERALL |
| Hook Radius | 0.125 INCHES NOMINAL BOTH ENDS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 74A450856-2001 | Nassau Tool Works, Inc (USA) |
| 74A450856-2001 | Hdi Landing Gear Usa Inc (USA) |
| 74A450856-2001 PRIMARY | The Boeing Company Div Services (USA) |
| 74A450856-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| 74A450856-2001 | Safran Landing Systems Canada Inc. (CAN) |
| Reference | Meaning |
|---|---|
| 10117981 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A450856-2001 | 5/9 Secondary reference Circor Aerospace, Inc. Dba Circor Aerospace Machining Center |
| 74A50856-2001 | 5/9 Secondary reference Israel Aerospace Industries Ltd. Shl - Aero Assemblies Division |
| 74A50856-2001 | 5/9 Secondary reference Cm Manufacturing Inc Dba Cm Manufacturing Inc |
| 74A450856-2001 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 74A450856-2001 | 5/9 Secondary reference All Tools, Inc. Dba E2 Precision Products |
| 74A450856-2001 | 5/9 Secondary reference The Precision Coil Spring Company Dba Precision Coil Spring Co |
| 74A450856-2001 | 5/9 Secondary reference Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc |
| 74A450856-2001 | 5/9 Secondary reference Blair Industries Inc |
| 74A450856-2001 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5360-01-107-9324 is a Spring,helical,extension, manufactured by The Boeing Company Div Services, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-107-9324 has 5 manufacturer part numbers on file: 74A450856-2001 (Nassau Tool Works, Inc), 74A450856-2001 (Hdi Landing Gear Usa Inc), 74A450856-2001 (The Boeing Company Div Services), 74A450856-2001 (The Boeing Company Div Defense), 74A450856-2001 (Safran Landing Systems Canada Inc.).
Key specifications for 74A450856-2001: Spring Free Outside Diameter: 0.340 INCHES NOMINAL IN; Load Rating: 6.50 POUNDS NOMINAL LBS; End Style: SHORT TWISTED HOOK BOTH ENDS; Design Type: CLOSED. 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.