The Spring,helical,compression, cataloged under National Stock Number 5360-01-397-6897, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-397-6897 |
| Primary Part Number | R56 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | ASTM-A-689 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 12.600 INCHES NOMINAL IN |
| Spring Deflection Rate | 630.000 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 4.250 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | RIGHT-HAND OR 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 |
|---|---|
| R56 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 00030R56GN | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| Reference | Meaning |
|---|---|
| R56 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
NSN 5360-01-397-6897 is a Spring,helical,compression, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-397-6897 has 2 manufacturer part numbers on file: R56 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 00030R56GN (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
Key specifications for R56: Style Designator: CYLINDRICAL; Material Document and Classification: ASTM-A-689 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Spring Free Length: 12.600 INCHES NOMINAL IN; Spring Deflection Rate: 630.000 POUNDS PER INCH NOMINAL LBS. 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.