The Spring,helical,extension, cataloged under National Stock Number 5360-00-306-0246, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5360-00-306-0246 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.192 INCHES NOMINAL IN |
| Load Rating | 0.50 POUNDS NOMINAL LBS |
| End Style | SHORT TWISTED HOOK FIRST END |
| End Style | FULL LOOP SECOND END |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 1.348 INCHES NOMINAL IN |
| Coil to Hook Inside Length | 0.156 INCHES NOMINAL BOTH ENDS IN |
| Inside Diameter | 0.156 INCHES NOMINAL IN |
| Spring Length Under Load | 1.875 INCHES NOMINAL IN |
| Coil Quantity | 56-1/2 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hook Radius | 0.078 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 |
| Reference | Meaning |
|---|---|
| A73-49545 | 5/9 Secondary reference Joslyn Clark Controls, Llc |
| A73-49545 | 3/9 Design control — primary reference Challenger Electrical Equipment Corp Industrial Products Operation |
NSN 5360-00-306-0246 is a Spring,helical,extension, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
Key specifications for 5360-00-306-0246: Spring Free Outside Diameter: 0.192 INCHES NOMINAL IN; Load Rating: 0.50 POUNDS NOMINAL LBS; End Style: SHORT TWISTED HOOK FIRST END; End Style: FULL LOOP SECOND END. 14 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.