The Spring,helical,compression, cataloged under National Stock Number 5360-01-010-4856, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Hartzell Engine Technologies 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5360-01-010-4856 |
| Primary Part Number | P307-4 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Hartzell Engine Technologies Llc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.344 INCHES NOMINAL IN |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 1.000 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 1.625 INCHES NOMINAL IN |
| Inside Diameter | 0.281 INCHES NOMINAL IN |
| Spring Solid Outside Diameter | 0.406 INCHES NOMINAL IN |
| Coil Quantity | 15 |
| Coil Helix Direction | LEFT-HAND |
| 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 |
|---|---|
| P307-4 PRIMARY | Hartzell Engine Technologies Llc (USA) |
| Reference | Meaning |
|---|---|
| P307-4 | 5/9 Secondary reference Grimes Aerospace Company |
NSN 5360-01-010-4856 is a Spring,helical,compression, manufactured by Hartzell Engine Technologies Llc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-010-4856 has 1 manufacturer part number on file: P307-4 (Hartzell Engine Technologies Llc).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-358-7004. Verify interchangeability with system specifications before substitution.
Key specifications for P307-4: Spring Free Outside Diameter: 0.344 INCHES NOMINAL IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 1.000 INCHES NOMINAL IN; 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.