The Spring,helical,extension, cataloged under National Stock Number 5360-00-412-9901, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is John Deer Consumer Products Inc. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-412-9901 |
| Primary Part Number | 55123C |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | John Deer Consumer Products Inc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.193 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN |
| End Style | SHORT TWISTED HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 5.562 INCHES NOMINAL IN |
| Inside Diameter | 0.116 INCHES NOMINAL IN |
| Coil Quantity | 127 |
| Surface Treatment | OXIDE OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL OVERALL |
| Hook Radius | 0.099 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 |
|---|---|
| 55123C PRIMARY | John Deer Consumer Products Inc (USA) |
NSN 5360-00-412-9901 is a Spring,helical,extension, manufactured by John Deer Consumer Products Inc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-412-9901 has 1 manufacturer part number on file: 55123C (John Deer Consumer Products Inc).
Key specifications for 55123C: Spring Free Outside Diameter: 0.193 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN; End Style: SHORT TWISTED HOOK BOTH ENDS; Design Type: CLOSED; Style Designator: CYLINDRICAL. 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.