The Spring,helical,compression, cataloged under National Stock Number 5360-00-783-5604, 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 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-783-5604 |
| Primary Part Number | M258NA |
| 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 | 2.662 INCHES NOMINAL IN |
| Load Rating | 385.000 POUNDS NOMINAL LBS |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 2.430 INCHES NOMINAL IN |
| Accommodated Rod Diameter | 1.968 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 | 3.875 INCHES NOMINAL IN |
| Spring Deflection Rate | 380.000 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 2.000 INCHES NOMINAL IN |
| Spring Length Under Load | 2.430 INCHES NOMINAL IN |
| Spring Solid Outside Diameter | 2.662 INCHES NOMINAL IN |
| Coil Quantity | 7-1/2 |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Bore Diameter | 2.718 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 |
NSN 5360-00-783-5604 is a Spring,helical,compression, manufactured by Siemens Energy, Inc., classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-783-5604 has 2 manufacturer part numbers on file: M258NA (Siemens Energy, Inc.), H2255PC12 (Siemens Energy, Inc.).
Key specifications for M258NA: Spring Free Outside Diameter: 2.662 INCHES NOMINAL IN; Load Rating: 385.000 POUNDS NOMINAL LBS; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 2.430 INCHES NOMINAL IN. 17 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.