The Spring,helical,compression, cataloged under National Stock Number 5360-00-783-5607, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Siemens Energy, Inc.. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5360-00-783-5607 |
| Primary Part Number | M258MZ |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Siemens Energy, Inc. |
| Status | ACTIVE |
| Spring Free Outside Diameter | 2.125 INCHES NOMINAL IN |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 2.155 INCHES NOMINAL IN |
| Accommodated Rod Diameter | 1.562 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | MIL-S-6715,TYPE 1,CLASS A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 4.500 INCHES NOMINAL IN |
| Spring Deflection Rate | 170.000 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 1.599 INCHES NOMINAL IN |
| Spring Solid Outside Diameter | 2.625 INCHES NOMINAL IN |
| Coil Quantity | 8-3/10 |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Bore Diameter | 2.156 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 |
|---|---|
| M258MZ PRIMARY | Siemens Energy, Inc. (USA) |
| Reference | Meaning |
|---|---|
| H2256 | 5/9 Secondary reference Siemens Energy, Inc. |
| M-258MZ | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5360-00-783-5607 is a Spring,helical,compression, manufactured by Siemens Energy, Inc., classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-783-5607 has 1 manufacturer part number on file: M258MZ (Siemens Energy, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-145-5551. Verify interchangeability with system specifications before substitution.
Key specifications for M258MZ: Spring Free Outside Diameter: 2.125 INCHES NOMINAL IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 2.155 INCHES NOMINAL IN; Accommodated Rod Diameter: 1.562 INCHES NOMINAL IN. 15 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.