The Spring,helical,compression, cataloged under National Stock Number 5360-00-663-1658, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-663-1658 |
| Primary Part Number | S14-40-5179 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.898 INCHES NOMINAL IN |
| End Style | SPRING END,SQUARED BOTH ENDS |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | MIL-S-6101 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 3.547 INCHES NOMINAL IN |
| Inside Diameter | 0.602 INCHES NOMINAL IN |
| Coil Quantity | 14-1/4 |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| S14-40-5179 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| S1440-5179 | Airbus Helicopters (ets De Marignane) (FRA) |
NSN 5360-00-663-1658 is a Spring,helical,compression, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-663-1658 has 2 manufacturer part numbers on file: S14-40-5179 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), S1440-5179 (Airbus Helicopters (ets De Marignane)).
Key specifications for S14-40-5179: Spring Free Outside Diameter: 0.898 INCHES NOMINAL IN; End Style: SPRING END,SQUARED BOTH ENDS; Style Designator: CYLINDRICAL; Material Document and Classification: MIL-S-6101 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.