The Spring,helical,extension, cataloged under National Stock Number 5360-00-696-8325, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company Div Corp. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-696-8325 |
| Primary Part Number | 4J57 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Raytheon Company Div Corp |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.375 INCHES NOMINAL IN |
| Load Rating | 5.000 POUNDS NOMINAL LBS |
| End Style | MACHINED HALF LOOP BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.156 INCHES NOMINAL BOTH ENDS IN |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 1.060 INCHES NOMINAL IN |
| Coil Quantity | 17 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Hook Radius | 0.156 INCHES NOMINAL BOTH ENDS IN |
| 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 |
|---|---|
| 4J57 PRIMARY | Raytheon Company Div Corp (USA) |
| Reference | Meaning |
|---|---|
| EG154765-1 | 5/9 Secondary reference U.S. Government activity |
NSN 5360-00-696-8325 is a Spring,helical,extension, manufactured by Raytheon Company Div Corp, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-696-8325 has 1 manufacturer part number on file: 4J57 (Raytheon Company Div Corp).
Key specifications for 4J57: Spring Free Outside Diameter: 0.375 INCHES NOMINAL IN; Load Rating: 5.000 POUNDS NOMINAL LBS; End Style: MACHINED HALF LOOP BOTH ENDS; Design Type: CLOSED. 11 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.