The Spring,helical,compression, cataloged under National Stock Number 5360-00-794-8451, 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 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-794-8451 |
| Primary Part Number | 491656 |
| 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 | 0.305 INCHES NOMINAL IN |
| Load Rating | 0.456 POUNDS MINIMUM AND 0.519 POUNDS MAXIMUM LBS |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 0.683 INCHES NOMINAL IN |
| Accommodated Rod Diameter | 0.220 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 1.242 INCHES NOMINAL IN |
| Spring Deflection Rate | 9.150 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.229 INCHES NOMINAL IN |
| Spring Length Under Load | 1.185 INCHES NOMINAL IN |
| Coil Quantity | 17-1/2 |
| Coil Helix Direction | RIGHT-HAND |
| Bore Diameter | 0.310 INCHES NOMINAL IN |
| 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 |
|---|---|
| 491656 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 491656 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 491656 | 5/9 Secondary reference U.S. Government activity |
| 491656 | 5/9 Secondary reference Hoffmann-Werke |
NSN 5360-00-794-8451 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 5360-00-794-8451 has 1 manufacturer part number on file: 491656 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 491656: Spring Free Outside Diameter: 0.305 INCHES NOMINAL IN; Load Rating: 0.456 POUNDS MINIMUM AND 0.519 POUNDS MAXIMUM LBS; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 0.683 INCHES NOMINAL IN. 14 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.