The Spring,helical,extension, cataloged under National Stock Number 5360-01-218-1611, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5360-01-218-1611 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 1.548 INCHES MAXIMUM IN |
| Load Rating | 135.000 POUNDS MINIMUM AND 165.000 POUNDS MAXIMUM LBS |
| End Style | MACHINE LOOP SECOND END |
| End Style | MACHINED HALF LOOP FIRST END |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.688 INCHES NOMINAL SECOND END IN |
| Opening Width | 0.312 INCHES NOMINAL FIRST END IN |
| Spring Free Length | 7.940 INCHES MINIMUM AND 8.440 INCHES MAXIMUM IN |
| Spring Deflection Rate | 60.000 POUNDS PER INCH NOMINAL LBS |
| Coil to Hook Inside Length | 0.250 INCHES NOMINAL SECOND END IN |
| Inside Diameter | 1.108 INCHES NOMINAL IN |
| Spring Length Under Load | 10.062 INCHES NOMINAL IN |
| Coil Quantity | 25 |
| Coil Helix Direction | LEFT-HAND |
| Material | STEEL OVERALL |
| Hook Radius | 0.781 INCHES NOMINAL FIRST END IN |
| Hook Radius | 0.562 INCHES NOMINAL SECOND 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 |
|---|---|
| 6509813P1 | 3/9 Design control — primary reference General Electric Co Medium Voltage Switchgear Business Section |
| K-6509813 | 5/9 Secondary reference General Electric Co Outdoor Breaker Business Section |
NSN 5360-01-218-1611 is a Spring,helical,extension, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
Key specifications for 5360-01-218-1611: Spring Free Outside Diameter: 1.548 INCHES MAXIMUM IN; Load Rating: 135.000 POUNDS MINIMUM AND 165.000 POUNDS MAXIMUM LBS; End Style: MACHINE LOOP SECOND END; End Style: MACHINED HALF LOOP FIRST END. 18 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.