The Spring,helical,extension, cataloged under National Stock Number 5360-00-699-3547, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-699-3547 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN |
| Load Rating | 4.00 POUNDS NOMINAL LBS |
| End Style | MACHINE LOOP BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.125 INCHES NOMINAL FIRST END IN |
| Material Document and Classification | MIL-W-6101 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 4.375 INCHES NOMINAL IN |
| Coil to Hook Inside Length | 0.250 INCHES NOMINAL BOTH ENDS IN |
| Inside Diameter | 0.214 INCHES MINIMUM AND 0.246 INCHES MAXIMUM IN |
| Spring Length Under Load | 5.125 INCHES NOMINAL IN |
| Coil Quantity | 34 |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL OVERALL |
| Hook Radius | 0.107 INCHES MINIMUM AND 0.123 INCHES MAXIMUM FIRST END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2405265 | 3/2 Design control — primary reference U.S. Government activity |
| 2405265 | 5/9 Secondary reference The Boeing Company |
NSN 5360-00-699-3547 is a Spring,helical,extension, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
Key specifications for 5360-00-699-3547: Spring Free Outside Diameter: 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN; Load Rating: 4.00 POUNDS NOMINAL LBS; End Style: MACHINE LOOP BOTH ENDS; Design Type: CLOSED. 16 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.