The Spring,helical,compression, cataloged under National Stock Number 5360-00-447-9646, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc. Government technical data includes 9 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-447-9646 |
| Primary Part Number | 8028787 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.535 INCHES NOMINAL IN |
| Material Hardness Rating | 42.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM |
| End Style | SPRING END,SQUARED BOTH ENDS |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | QQ-S-633-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 1.1562 INCHES NOMINAL IN |
| Inside Diameter | 0.375 INCHES NOMINAL IN |
| 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 |
|---|---|
| 8028787 PRIMARY | Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc (USA) |
| Reference | Meaning |
|---|---|
| 8028787 | 5/9 Secondary reference General Motors Corp |
| 81129S41-575236PC8028787 | 5/9 Secondary reference U.S. Government activity |
| 81129S41-575238PC8028787 | 5/9 Secondary reference U.S. Government activity |
| 8028787 | 3/9 Design control — primary reference General Motors Corp Electro-Motive Div |
NSN 5360-00-447-9646 is a Spring,helical,compression, manufactured by Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-447-9646 has 1 manufacturer part number on file: 8028787 (Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc).
Key specifications for 8028787: Spring Free Outside Diameter: 0.535 INCHES NOMINAL IN; Material Hardness Rating: 42.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM; End Style: SPRING END,SQUARED BOTH ENDS; Style Designator: CYLINDRICAL. 9 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.