The Spring,helical,compression, cataloged under National Stock Number 5360-00-073-2809, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 17 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5360-00-073-2809 |
| Primary Part Number | 473790 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.665 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN |
| Load Rating | 14.750 POUNDS MINIMUM AND 15.250 POUNDS MAXIMUM LBS |
| End Style | SPRING END,GROUND BOTH ENDS |
| Spring Solid Length | 1.000 INCHES NOMINAL IN |
| Accommodated Rod Diameter | 0.350 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | AMS 5698 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 1.216 INCHES NOMINAL IN |
| Spring Deflection Rate | 69.600 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.352 INCHES NOMINAL IN |
| Spring Length Under Load | 1.000 INCHES NOMINAL IN |
| Spring Solid Outside Diameter | 0.665 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN |
| Coil Quantity | 12 |
| Surface Treatment | PASSIVATE OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Bore Diameter | 0.520 INCHES NOMINAL IN |
| Material | NICKEL ALLOY X-750 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 |
|---|---|
| 473790 | Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring (USA) |
| 473790 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 473790 | 5/2 Secondary reference U.S. Government activity |
| 473790 | 5/9 Secondary reference Hoffmann-Werke |
| 473790 | 5/2 Secondary reference U.S. Government activity |
NSN 5360-00-073-2809 is a Spring,helical,compression, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-073-2809 has 2 manufacturer part numbers on file: 473790 (Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring), 473790 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-448-5553. Verify interchangeability with system specifications before substitution.
Key specifications for 473790: Spring Free Outside Diameter: 0.665 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN; Load Rating: 14.750 POUNDS MINIMUM AND 15.250 POUNDS MAXIMUM LBS; End Style: SPRING END,GROUND BOTH ENDS; Spring Solid Length: 1.000 INCHES NOMINAL IN. 17 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.