The Spring,helical,compression, cataloged under National Stock Number 5360-00-994-7644, 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 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-994-7644 |
| Primary Part Number | 8158783 |
| 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 | 1.000 INCHES NOMINAL IN |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 1.531 INCHES NOMINAL IN |
| Inside Diameter | 0.563 INCHES NOMINAL IN |
| Coil Quantity | 5 |
| Coil Helix Direction | 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 |
|---|---|
| 8158783 PRIMARY | Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc (USA) |
| Reference | Meaning |
|---|---|
| 8158783 | 3/9 Design control — primary reference General Motors Corp Electro-Motive Div |
| 8158783 | 5/9 Secondary reference General Motors Corp |
NSN 5360-00-994-7644 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 5360-00-994-7644 has 1 manufacturer part number on file: 8158783 (Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc).
Key specifications for 8158783: Spring Free Outside Diameter: 1.000 INCHES NOMINAL IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Style Designator: CYLINDRICAL; Spring Free Length: 1.531 INCHES NOMINAL IN. 8 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.