The Spring,helical,compression, cataloged under National Stock Number 5360-00-343-1909, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-343-1909 |
| Primary Part Number | 1747820 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.750 INCHES NOMINAL IN |
| Load Rating | 5.680 POUNDS NOMINAL LBS |
| End Style | SPRING END,GROUND BOTH ENDS |
| Spring Solid Length | 1.000 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 1.875 INCHES NOMINAL IN |
| Spring Deflection Rate | 5.680 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.624 INCHES NOMINAL IN |
| Spring Length Under Load | 1.000 INCHES NOMINAL IN |
| Spring Solid Outside Diameter | 0.750 INCHES NOMINAL IN |
| Coil Quantity | 12 |
| 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 |
|---|---|
| 1747820 | Westinghouse Electric Corp (USA) |
| 4D5230-17 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 4D5230-17 | 5/9 Secondary reference Westinghouse Electric Corp Power Generation-Generator Div |
| 1747820 | 3/9 Design control — primary reference Westinghouse Electric Corp Power Generation-Generator Div |
NSN 5360-00-343-1909 is a Spring,helical,compression, manufactured by Westinghouse Electric Corp, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-343-1909 has 2 manufacturer part numbers on file: 1747820 (Westinghouse Electric Corp), 4D5230-17 (Westinghouse Electric Corp).
1 possible match (shared part number, not a government interchangeability claim): 4710-01-507-1566. Verify interchangeability with system specifications before substitution.
Key specifications for 1747820: Spring Free Outside Diameter: 0.750 INCHES NOMINAL IN; Load Rating: 5.680 POUNDS NOMINAL LBS; End Style: SPRING END,GROUND BOTH ENDS; Spring Solid Length: 1.000 INCHES NOMINAL IN. 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.