The Spring,helical,extension, cataloged under National Stock Number 5360-01-390-9104, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Walker Design, Inc. Dba Walker Design Inc Div Walker Engineering Enterprises, Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5360-01-390-9104 |
| Primary Part Number | WI-4014 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Walker Design, Inc. Dba Walker Design Inc Div Walker Engineering Enterprises, Inc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.375 INCHES NOMINAL IN |
| End Style | MACHINE LOOP BOTH ENDS |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.500 INCHES NOMINAL BOTH ENDS IN |
| Spring Free Length | 7.500 INCHES NOMINAL IN |
| Coil to Hook Inside Length | 0.938 INCHES NOMINAL BOTH ENDS IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| WI-4014 PRIMARY | Walker Design, Inc. Dba Walker Design Inc Div Walker Engineering Enterprises, Inc (USA) |
| Reference | Meaning |
|---|---|
| WI-5014 | 5/9 Secondary reference Walker Design, Inc. Dba Walker Design Inc Div Walker Engineering Enterprises, Inc |
NSN 5360-01-390-9104 is a Spring,helical,extension, manufactured by Walker Design, Inc. Dba Walker Design Inc Div Walker Engineering Enterprises, Inc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-390-9104 has 1 manufacturer part number on file: WI-4014 (Walker Design, Inc. Dba Walker Design Inc Div Walker Engineering Enterprises, Inc).
Key specifications for WI-4014: Spring Free Outside Diameter: 0.375 INCHES NOMINAL IN; End Style: MACHINE LOOP BOTH ENDS; Style Designator: CYLINDRICAL; Opening Width: 0.500 INCHES NOMINAL BOTH ENDS IN. 7 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.