The Spring,helical,extension, cataloged under National Stock Number 5360-00-487-4156, 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. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-487-4156 |
| Primary Part Number | 114C3323-1 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Spring Free Outside Diameter | 1.013 INCHES MINIMUM AND 1.037 INCHES MAXIMUM IN |
| End Style | RAISED HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.720 INCHES MINIMUM AND 0.960 INCHES MAXIMUM BOTH ENDS IN |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 12.150 INCHES MINIMUM AND 12.450 INCHES MAXIMUM IN |
| Spring Deflection Rate | 6.400 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.763 INCHES MINIMUM AND 0.787 INCHES MAXIMUM IN |
| Coil Quantity | 75 |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Hook Radius | 0.500 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 | X |
| Part Number | Manufacturer |
|---|---|
| 114C3323-1 PRIMARY | The Boeing Company (USA) |
NSN 5360-00-487-4156 is a Spring,helical,extension, manufactured by The Boeing Company, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-487-4156 has 1 manufacturer part number on file: 114C3323-1 (The Boeing Company).
Key specifications for 114C3323-1: Spring Free Outside Diameter: 1.013 INCHES MINIMUM AND 1.037 INCHES MAXIMUM IN; End Style: RAISED HOOK BOTH ENDS; Design Type: CLOSED; Style Designator: CYLINDRICAL. 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.