The Spring,helical,compression, cataloged under National Stock Number 5360-00-360-6256, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Ashcroft Inc Dba Heise. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-360-6256 |
| Primary Part Number | SMP185 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| Spring Free Outside Diameter | 1.328 INCHES NOMINAL IN |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 5.141 INCHES MINIMUM AND 5.203 INCHES MAXIMUM IN |
| Spring Deflection Rate | 92.150 POUNDS PER INCH MINIMUM AND 97.850 POUNDS PER INCH MAXIMUM LBS |
| Inside Diameter | 0.923 INCHES MINIMUM AND 0.954 INCHES MAXIMUM IN |
| Coil Quantity | 15 |
| Surface Treatment | CADMIUM OVERALL |
| 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 |
|---|---|
| S6-704AYPC8 | Ashcroft Inc Dba Heise (USA) |
| SMP185 PRIMARY | Ashcroft Inc Dba Heise (USA) |
| S6-704VVPC8 | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| S6-704VVPC8 | 5/9 Secondary reference Usm Corp Sub of Emhart Industries Inc Farrel Co Div |
NSN 5360-00-360-6256 is a Spring,helical,compression, manufactured by Ashcroft Inc Dba Heise, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-360-6256 has 3 manufacturer part numbers on file: S6-704AYPC8 (Ashcroft Inc Dba Heise), SMP185 (Ashcroft Inc Dba Heise), S6-704VVPC8 (Ashcroft Inc Dba Heise).
Key specifications for SMP185: Spring Free Outside Diameter: 1.328 INCHES NOMINAL IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Style Designator: CYLINDRICAL; Spring Free Length: 5.141 INCHES MINIMUM AND 5.203 INCHES MAXIMUM IN. 10 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.