The Spring,helical,compression, cataloged under National Stock Number 5360-01-108-0371, 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 15 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5360-01-108-0371 |
| Primary Part Number | 74A450931-2001 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.720 INCHES NOMINAL IN |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 0.800 INCHES MAXIMUM IN |
| Special Test Features | FIRST ARTICLE TESTING |
| Accommodated Rod Diameter | 0.530 INCHES MAXIMUM IN |
| Criticality Code Justification | TEST AND SPCL |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | AMS 5673 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 1.930 INCHES NOMINAL IN |
| Spring Deflection Rate | 27.500 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.560 INCHES NOMINAL IN |
| Test Data Document | 76301-74A450931-2001 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Bore Diameter | 0.740 INCHES MINIMUM IN |
| Material | STEEL COMP 631 OVERALL |
| 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 |
|---|---|
| 74A450931-2001 | Safran Landing Systems Canada Inc. (CAN) |
| 74A450931-2001 | Heroux-Devtek Inc (CAN) |
| 74A450931-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 10117984 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A450931-2001 | C/1 Advisory reference — outside the item-of-supply concept Circor Aerospace, Inc. Div Circor |
| 74A450931-2001 | 5/9 Secondary reference All Tools, Inc. Dba E2 Precision Products |
| 74A450931-2001 | 5/9 Secondary reference Israel Aerospace Industries Ltd. Shl - Aero Assemblies Division |
| 74A450931-2001 | C/1 Advisory reference — outside the item-of-supply concept Goodrich Corporation Div Advanced Structures Landing Systems |
| 74A450931-2001 | 5/9 Secondary reference Circor Aerospace, Inc. Dba Circor Aerospace Machining Center |
NSN 5360-01-108-0371 is a Spring,helical,compression, manufactured by The Boeing Company Div Defense, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-108-0371 has 3 manufacturer part numbers on file: 74A450931-2001 (Safran Landing Systems Canada Inc.), 74A450931-2001 (Heroux-Devtek Inc), 74A450931-2001 (The Boeing Company Div Defense).
Key specifications for 74A450931-2001: Spring Free Outside Diameter: 0.720 INCHES NOMINAL IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 0.800 INCHES MAXIMUM IN; Special Test Features: FIRST ARTICLE TESTING. 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.